This is a 5-layer tube-type vacuum bag capable of handling vacuum sealing, boiling, and freezing processes. *Compatible with chamber-type vacuum packaging machines. *When using in a microwave, be sure to open the bag before use. Boil at 100°C for 30 minutes, freeze down to -40°C. ★In stock. Please inquire if interested. - Size: 0.060 x 280 x 380mm - Quantity: 100 sheets per pack - Standard: BN standard bag - Application: Suitable for vacuum and frozen food packaging Thank you for viewing.