Features&Details 1.Material: Aluminium Foil 2.Design: Open Top, with Tear Notches3.Thickness: 0.08mm (3.1 mil)( one side)4.Outside Size: 6x9cm (2.4"x3.5") ; Usable Size: 5x8cm (2"x3.1")Usage 1.Waterproof, keep products clean and free from moisture.2.Vacuum, heat seal.Can use the heat sealing sealer to seal the bag 3.Application: Packing pill, mask, tea, medicine, pearl, all kinds of solution, all kinds of food, powder, small jade, cosmetics, etc.4.Food Grade Packaging: Perfect for coffee, beans, candy, sugar, rice, baking, cookie, tea, nuts, dried fruit, dried flowers, powder, snack and more food long term storagePerformanceNon-toxic, tasteless meet the national standards food-grade packaging, sealing is good, not easily broken bag, can have very good moistureproof, antifouling effect, and high mechanical performance is strong, blast resistance, resistance to puncture tear resistance is strong, high temperature resistant, good low temperature resistance, appearance is elegant, noble and practical, can be vacuumPlease note that: 1) In order to achieve the effect of vacuum seal, please cheque your vacuum sealer can vacuum these glossy bags before you order (some vacuum sealer only can vacuum bags with lines) 2) As manual measurement, please allow the size of the item will be a small range error 3) Please confirm the size before you place an orderWarm Tip One inch is equal to approximately 2.54 centimetres