Can store up to 2 oz of powdered products & 1 oz of coffee beans Durable: 3.5-MIL thick metallic foil provide durability and protects inner contents from UV and water vapor damage. Pack, transport and story without worry. Multi-purpose: Our foil bags are suitable for ANY powdered or dry goods. Heat Sealable: Prolong the shelf-life of your product by heat sealing after filling. We recommend impulse heat sealers. Usable Size: 7.5x9cm (2.9x3.5") , **Size may vary by about 2-3mm. The Metallised Foil QuickQlick Stand Up Bag is a double sided metallised foil bag that is coated with a layer of matte for extra durability. The round-bottom gusset opens up when the bag is filled, allowing it to stand on its own. Enhanced with a grip seal, these bags are guaranteed to keep your contents fresh. If you need extra security, they can also be heat sealed above the zipper and re-opened from the tear notches found on the side. NOT RECOMMENDED FOR LIQUIDS (WATER, JUICE), PLEASE TAKE A LOOK AT OUR HEAVY DUTY FOIL BAGS FOR LIQUID STORAGE.