40 dram jars offer 5 fluid ounces of volumetric capacity, built to hold 7 grams (a quarter-ounce) of dry flower without squishing buds. Non-porous Flint glass, Amber glass, and impact-resistant PET resin options form a tight moisture barrier to prevent terpene loss.

To cross-reference specs before ordering, check technical specification tables inside each product listing.

• eBottles Glass & PET 40 Dram Jars: Straight-sided 5 oz bases engineered for quarter-ounce (7g) retail flower packaging.
• 40 Dram Amber Glass Jars: UV-blocking tinted glass containers built to protect THC potency on bright store shelves.
• V3 5 oz Round Reserve Jars: Heavy-base glass jars supplied with matching flush caps for premium shelf appeal.
• Grand Puff 40 Dram Glass Jars: Heavy-wall glass bases engineered for 53-400 continuous-thread closure caps.

40 dram jars use a 53-400 continuous thread finish requiring matching 53mm child-resistant closures. Pairing these bases with push-and-turn safety caps meets Title 16 CFR 1700.20 and ASTM D3475 standards for retail compliance.

Browse compatible closure options in our 53mm Caps Collection, verify jar dimensions on our Flower Jar Sizing Chart, or review legal packaging rules via our State Compliance Regulations Guide.

Straight-sided 40 dram jars feature zero vertical body taper, which prevents labels from wrinkling or going crooked on wrap labelers. Smooth cylindrical walls allow pressure-sensitive labeling equipment to apply branding and state compliance text cleanly without line jams.

Explore pre-applied label application options through our In-House Label Application Service.

Inventory ships directly from our local Sacramento warehouse so clients can access single units, standard split packs, or master wholesale cases without minimum constraints. Local warehouse stocking eliminates long factory lead times and keeps commercial filling lines operating continuously.