1Triple Heat Sealing Design: The airtight sterilization bag features a triple heat sealing design to prevent tearing. 2Foldable: The strips can be easily and accurately folded without a heat sealer, with a prefolded design to prevent contamination. 3Thumb Notches: The thumb notches on the top of the dental sterilization bags allow easy opening of each bag for quick access by hygienists and other staff. 4Plastic Material: Self sterilization pouches are made of plastic material, which is wear resistant and durable, and can be used for a long time. 5Applications: Autoclave pouches are ideal for dental practices and laboratory settings as well as tattoo, nail and beauty salons.