ultravioLeaf 250 ml (8.5 fl oz) Tall Black Ultraviolet Glass Herb Storage Jar - Airtight Stash Container 3-Pack INCLUDED 1Pack 8g INTEGRA BOOST - 55% - 2-Way Humidity Regulator 250 ml capacity (8.4 fl oz). Height: 4" (10.2 cm) | Diameter of Jar : 3" (7.6 cm) | Diameter of Opening: 2.5" (5.8 cm) | Holds about 1/2 ounce of dry herb. SMELL-PROOF and AIRTIGHT- Heavy durable ultraviolet glass blocks air exchange and locks in aroma. LABORATORY TESTED ULTRAVIOLET GLASS PROTECTS AGAINST HARMFUL LIGHT - Premium European UltraViolet Glass (UV-A) Storage Containers for storing your nuts, seeds, herbs, coffee, teas, super foods, dried foods, granola, algae, and protein powders, baking flours. It prevents harmful visible light rays from penetrating and degrading your stored products, while at the same time allowing beneficial UV and infrared wavelengths of light that can kill molds, algae, and bacteria. PREMIUM QUALITY STORAGE CONTAINERS- Extend the freshness of your stored products for 6 months or longer. Modern screw on lid made of heavy duty BPA-Free plastic. Contemporary Design. Perfect On the Go Size for Backpacks, Bags and Travel. Each jar comes with a writeable sticker label for optional use.