100 Pack - Various Size Clear Silver Reclosable Mylar Zip Lock Bags (8.5x14cm (3.3"x5.5") Aluminum Foil Packaging Plastic Valve Zipper Pouches Bulk Food Storage Coffee Candy Foil Grip Seal Wrap ZIPLOCK and HEAT SEALED--The bag comes with zipper (tear notches). You can either manual seal zipper part, or you can heat seal the open top section above the zipper, so that achieve storage effect ODOR/ SMELL PROOF--MOISTUREPROOF WATERPROOF-- Keep your products clean and free from moisture--Front is transparent plastic, back is silver aluminum mylar foil MULTIPURPOSE USE-- Perfect for coffee beans, candy, sugar, rice, baking, cookies, chocolate, tea leaf, seasoning, snacks, herbs, tobacco, grain, jerky, nuts, dried fruit, dried flowers, powder, snack, kinds of powder, dried fruit, medicinal materials, medicine, grain cereals, chemical products, leisure food, decorations, electronic components and so on! electronic accessory, makeup cosmetic and more long term storage bags PLEASE NOTE THE AVAILABLE SIZE--Outside Dimension: 8.5x14cm (3.3"x5.5"), Inside Dimension: 7.5x11cm (3"x4.3") ; 100 PCS DURABLE MATERIAL-- Thickness: 2.75 mil (one side)