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Bocaux de Fleur de Cannabis

Our cannabis flower jars act as effective barriers against extreme temperatures and the growth of bacteria while removing the smell of cannabis. Having complete facilities and access to durable glass materials, Jarsking can manufacture numerous cannabis flower jars that can be customized according to your design and requirements.

Durable Glass Flower Jars: Manufacturer of Airtight Storage Solutions for Fresh Cannabis Protection

Cannabis flowers are living chemistry labs—their trichomes produce delicate cannabinoids like THC and CBD, while terpenes like myrcene and limonene create signature aromas and therapeutic effects. These compounds begin degrading the moment buds are harvested, vulnerable to light (especially UV rays), oxygen exposure, humidity swings, and temperature shifts. Ideal storage requires a stable 60–70°F environment with 58–62% relative humidity: too dry, and trichomes crumble; too moist, and mold spores thrive. Without proper protection, THC oxidizes into less potent CBN, terpenes evaporate into flat odors, and harsh chlorophyll tastes emerge. Even brief light exposure can degrade 30% of cannabinoids in weeks, while oxygen-starved buds risk “over-curing” into dusty, flavorless remnants.

cannabis packaging set poster
weed flower jar

Chez Jarsking, nous nous spécialisons dans la création de solutions d'emballage personnalisées pour le cannabis afin de répondre à vos besoins uniques. Notre expertise en matière de conception, de production et de contrôle qualité garantit que votre emballage reflète les valeurs de votre marque et se démarque sur le marché concurrentiel.

  • Size versatility and sustainability with options ranging from 1oz personal containers to 5lb commercial vaults, available in premium glass, lightweight aluminum, eco-friendly bamboo, and durable plastic materials to suit various storage preferences
  • Medical-grade borosilicate glass that's 30% stronger than standard glass, blocks 99% of UV light via amber or cobalt tints, and uses 50-70% post-consumer recycled materials fired at 1500°F for structural integrity
  • Advanced protection system featuring airtight silicone gaskets for oxygen-free storage, a non-porous interior that prevents resin buildup and cross-contamination, and 16-CFR-1700 certified child-resistant caps with dual-thread locking
  • Integrated monitoring technology featuring precision-calibrated thermometer and hygrometer caps that provide real-time temperature and humidity readings, allowing users to visually confirm optimal storage conditions (60-70°F and 58-62% RH)
  • Proven effectiveness through laboratory testing showing 94% cannabinoid retention after one year of storage, ensuring dispensaries and home users can preserve cannabis freshness for 12+ months

Type de matériau

Tous

Verre

Plastique

Storage Jars

powder jar designer

Custom Glass & Ceramic Pill Vitamin Bottle | Child-Resistant & Screw Cap
supplement jars

Child-Resistant Storage Jar with Custom Decoration for Supplement & Pharma Brands
silk screen printed cannabis jars

Custom Child-Resistant Glass Jars for Cannabis Brands 1oz–9oz
terpene preservation cannabis jars

Premium 2-Way Humidity Control Gasket for Cannabis Packaging
humidity regulated cannabis flower container

CR Glass Jar with Fiber Gasket 2-Way Humidity Control
electroplated glass storage jar

Child Resistant Packaging 30g Smell Proof Glass Jar
airtight glass herb jar with child lock

420 Storage Container Airtight Glass Herb Starsh Jar
1oz stash jar with child lock

Stash Jars Multipurpose Airtight Glass Storage Jar

Choose the Right Cannabis Flower Jar

CONSULT US FOR CUSTOM SOLUTIONS

Cannabis storage jars come in various materials, each offering distinct benefits. Glass jars, including amber and ultraviolet variants, provide excellent protection from light and preserve the potency of cannabinoids and terpenes. Plastic jars are lightweight and cost-effective, while high borosilicate glass and aluminum jars offer airtight, durable solutions for optimal storage.

cannabis glass jar

Glass Jar

Clear and elegant, glass jars are non-reactive and preserve product integrity. Ideal for cannabis storage, they provide visibility and premium appearance while offering protection from contaminants and moisture.

plastic cannabis jar

Plastic Jar

Lightweight and durable, plastic jars are cost-effective. They provide basic protection but lack the advanced light-blocking properties of glass. Ideal for short-term storage and low-cost packaging options.

amber jar

Amber Glass Jar

Amber glass blocks UV light, protecting cannabis from degradation. It helps maintain potency, preserving cannabinoids and terpenes. A popular choice for sensitive products needing long-term protection from light exposure.

glass storage jar

Glass Airtight Storage Jar

Made from heat-resistant borosilicate glass, these jars are durable and airtight, offering superior protection from moisture and air. Ideal for preserving cannabis quality and preventing oxidation.

ultraviolet glass jar

Ultraviolet Glass Jar

This jar filters harmful UV rays while allowing beneficial light to pass through. Ideal for preserving cannabis freshness and potency, it helps maintain cannabinoids and terpenes over time.

aluminum jar

Aluminum Jar

Lightweight, durable, and fully airtight, aluminum jars offer robust protection from light, moisture, and oxygen. They provide a sleek, modern look while maintaining cannabis potency for extended storage.

Choisir les éléments de conception pour
Your Storage Jars

Transform your packaging into a masterpiece with our diverse design elements. From sleek finishes that exude elegance to vibrant accents like digital printing that demand attention,
we turn ordinary storage jars into extraordinary brand statements. Add transparent windows for a sneak peek or magnified lens caps
—each detail is crafted to captivate your product’s appeal.

Peinture de couleur

A popular finish where jars are coated with vibrant, durable colors. Provides a sleek, uniform look while enhancing brand appeal .
color coating

Frosting

A matte, frosted finish achieved by sandblasting or acid etching. It provides opacity and certain UV protection.
Colorful child-resistant cannabis jars with leaf print, custom packaging by Jarsking

Galvanoplastie

A process that applies a thin metal layer, like gold or silver, to jars, giving them a luxurious, shiny finish that enhances their visual appeal.
electroplating jar

Sérigraphie

A printing technique using mesh screens to transfer ink onto the jar. Ideal for logos and simple designs with less than four colors.
silkscreen printing

Impression numérique

A modern printing method using digital files to print directly on the jar surface. Offers high-resolution graphics and vibrant colors.
digital printing

Étiquetage d'autocollants

A cost-effective option where adhesive labels are applied to the jars. It allows flexibility in design and quick production turnaround.
sticker labeling

Estampage à chaud

A method where foil is applied to the jar using heat and pressure. It creates metallic designs on glass or plastic surfaces.
hot stamping

Laser

Laser engraving or etching uses focused laser beams to create precise, detailed designs on jars. It adds a sophisticated touch.
laser

Water Transfer

A technique where a design is transferred to the jar through water immersion. It creates all-around designs and artistic graphics.
water transfer jar
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Quality Control for Cannabis Storage Jars

Quality control tests for cannabis storage jars are essential to ensure product safety, efficacy, and regulatory compliance. These rigorous evaluations assess critical factors such as container integrity, material safety, UV protection, child-resistance, environmental control, and durability. By subjecting jars to these comprehensive tests, manufacturers guarantee that their products meet the highest standards for preserving cannabis quality and protecting consumers.

Internal Pressure Strength Test
This test evaluates a glass container's ability to withstand internal pressures during processing, storage, and transportation. Containers are sealed and gradually pressurized using either hydraulic or pneumatic methods until failure occurs. The pressure at which the container bursts is recorded as the failure pressure. This test typically follows ASTM C147 standards. The results help manufacturers determine the container's safety margins and suitability for specific applications, especially for products that may generate internal pressure over time.
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Airtight Seal Verification
This crucial test ensures that cannabis storage jars maintain an effective barrier against oxygen exposure, which can degrade product quality. Testers typically use specialized equipment to measure the rate of gas exchange between the container's interior and exterior. The goal is to verify that the jar's seal, often incorporating silicone or rubber gaskets, can consistently prevent air infiltration and maintain the desired internal environment for cannabis preservation.
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Child-Resistant Closure Verification
This rigorous testing process ensures that cannabis packaging meets safety standards to prevent accidental access by children while remaining accessible to adults. The test follows protocols outlined in the Poison Prevention Packaging Act and typically involves two phases. In the first phase, a panel of children aged 42-51 months attempts to open the package within a specified time frame. The second phase involves adults aged 50-70 testing the package's accessibility. To pass, the closure must prevent a significant percentage of children from opening it while allowing most adults to do so successfully. This testing is critical for regulatory compliance and consumer safety in the cannabis industry.
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Chemical Inertness Evaluation
This assessment ensures that glass jars used for cannabis storage do not interact chemically with the product or release harmful substances over time. Testers typically expose the glass to various solvents or simulated product contents under controlled conditions, often at elevated temperatures to accelerate potential reactions. After exposure, the liquid is analyzed for traces of elements leached from the glass, such as heavy metals or alkali compounds. Additionally, the glass surface may be examined for signs of etching or degradation. The goal is to verify that the glass remains stable and non-reactive, preserving the cannabis product's purity and potency throughout its shelf life.
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Thermal Shock Resistance
This test evaluates a glass jar's ability to withstand sudden temperature changes without cracking or shattering. Testers subject containers to rapid temperature fluctuations, often cycling between extreme hot and cold conditions. For example, a jar might be heated to a high temperature and then immediately immersed in cold water, or vice versa. The number of cycles a jar can withstand without failure indicates its thermal shock resistance. This property is crucial for cannabis packaging that may encounter varying temperatures during processing, shipping, or storage. High thermal shock resistance ensures the container's integrity and the product's safety under diverse environmental conditions.
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Humidity Control Assessment
This test evaluates a jar's ability to maintain optimal relative humidity (RH) levels, typically between 58-62%, for cannabis storage. Testers may place humidity sensors inside sealed jars containing cannabis or a simulated product. The jars are then exposed to various external humidity conditions over time. The internal RH is monitored to assess how well the jar maintains the desired range. Some tests may also involve repeated opening and closing of the jar to simulate real-world usage. The goal is to ensure the packaging can consistently provide an ideal moisture environment, preventing both mold growth from excess humidity and trichome degradation from overly dry conditions.
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Light Transmission Test
This test assesses how effectively glass jars, particularly those with amber or cobalt tinting, block harmful UV rays that can degrade cannabinoids and terpenes. Testers typically use spectrophotometers to measure the transmission of light at various wavelengths through the glass. The focus is on blocking UV radiation, especially in the UVA (320-400 nm) and UVB (280-320 nm) ranges. Some tests may also evaluate visible light transmission, as certain wavelengths can still impact cannabis quality. The results help manufacturers optimize their glass formulations and tinting processes to provide maximum protection for light-sensitive cannabis compounds, ensuring longer shelf life and preserved potency.
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FAQ

Most frequent questions and answers regarding cannabis storage jars

When stored correctly in an airtight glass container, away from light and heat, cannabis flower can maintain its quality for 6 months to a year. With optimal conditions and the use of humidity control packs, some sources suggest cannabis can stay fresh for up to 18 months.

The ideal storage environment for cannabis jars is cool, dark, and dry. The temperature should be between 60-70°F (15-21°C), with a relative humidity of 58-62%. Avoid storing jars near heat sources or in direct sunlight to prevent degradation of cannabinoids and terpenes.

It’s best to fill your storage jar about three-quarters full. This allows some oxygen to reach the buds, which can help with curing and prevent mold growth, without exposing the cannabis to excessive air that could accelerate degradation. As you use your stash, consider transferring it to smaller jars to maintain this optimal fill level.

Yes, UV-resistant jars are highly recommended. UV light can degrade cannabinoids and terpenes, reducing potency and altering flavor. Amber or cobalt blue glass jars offer excellent UV protection, helping to preserve your cannabis’s quality and potency for longer periods.

If you’re storing freshly cured cannabis, it’s advisable to “burp” (briefly open) your jars once a day for the first week, then once a week for the next month. This allows excess moisture to escape and fresh air to enter. For long-term storage of properly cured cannabis, burping isn’t necessary if using humidity control packs.

It’s best to store different cannabis strains in separate jars. This prevents the mixing of terpenes, which can alter the unique flavor profiles of each strain. It also helps you keep track of your inventory and prevents cross-contamination if one strain develops issues like mold.

Clean your jars thoroughly with hot water and unscented dish soap. Rinse well and dry completely before use. For a deeper clean, you can use isopropyl alcohol to remove any residual resin. Always ensure the jar is completely dry before storing cannabis to prevent mold growth.

While vacuum-sealed jars can be effective for short-term storage, they’re not necessarily better for long-term cannabis preservation. The extreme lack of oxygen can actually damage trichomes and flatten buds. Traditional airtight jars with humidity control are generally preferred for maintaining the quality and structure of cannabis flowers over time.

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