Quantity Size:18 pieces of 12''x16'' PTFE board. Weight:About 17 g High Temperature Resistance:Heat press teflon sheet is made of high temperature and waterproof glass fiber,allows high temperature resistance up to 518℉degrees Water Repellent:Our PTFE teflon sheets are easy to clean, wipe with wet cloth only, rather than repeat like washing clothes, but do not prevent oil, alcohol, acrylic paint, etc., will penetrate Reusable and Non-stick:Our 18 packs teflon sheet for heat press reusable,non-stick treatment on surface,easy to use Multi-purpose:The teflon sheet for heat press can be used as barbecue pad, non-stick oven inner gallbladder, ironing protector, hot pressing transfer printing, ironing board, very suitable for baking, barbecue, cooking, barbecue, baking, pressing, ironing, painting and other technical items