These 8x12 inch large size smell proof bags Made of quality PET and Aluminum film, ，\r\ndurable and shining with transparent front for visual management,\r\nreusable and safe for your use.\r\nThis smell proof bags good packaging for home, school and office use,\r\ncan be applied to candy, coffee beans, dried flowers, baking,\r\ndried fruit, cookie, tea, weed, nuts ,cosmetic, soap etc.\r\nThese smell proof bags to use with sealing strip, keep off water, UV damage, debris,\r\n moisture dust and odors out, perfect organized and clean. \r\nAdd long term storage time, you can heat seal top of plastic ziplock bags\r\n\r\n\r\nSmell proof bags detail spec.\r\nMaterial: PET Plastic and Aluminum Film\r\nColor: Sliver\r\nSize: L*W*H=8*12 inch *0.0075 inch (Double Sides)\r\nZIPLOCK Bearing Force: Max 3 Lb\r\nCapacity: Max 0.2 gallon (800 ml)\r\nPer Pack: 20 Pieces\r\n\r\n\r\nPlease Note:\r\n1. Due to manual measurement, there are tolerances in the marked dimensions.\r\n2. Because of the electrical conductivity of aluminum foil, we do not recommend packaging for electronic products.\r\n 3. Please do not use sharp objects to stab the bag, so easy to puncture the surface of the bag.\r\n4. When heat sealing, please put the transparent side on the heating bar of the heat sealing machine, and\r\nthe aluminum side on the other side.