LATERN 100 Pieces 20cm x 30cm Thicken Vacuum Food Seal Bags is designed for vacuum sealing, perfect for food storage, freeze-dried meals, sous-vide, gardening, tea. Also great for collectibles, valuable documents, silverware and electronics. Suitable for all brands of vacuum sealers. Feature: - Made of upgraded composite PA + PE, 100% food safe and BPA free, thickened 70 micron glossy side, 140 micron embossed side, tear resistant. - Special microchannels can remove air to the maximum extent, block 100% oxygen and moisture after sealed, eliminate freezer, burn and dehydration. - An embossed dot pattern for maximum air extraction; Pre-cut design eliminates the need to cut and seal, with a tear notch at the end for quick opening. - Size: 20cm x 30cm, included 100pcs bags in total, is stable for hot and cold, cookable, freezer, microwave and dishwasher, especially for sous vide cooking. Specification: Material: Composite PA + PE Size: 20cm x 30cm Thickness: 70 /140 micron Color: clear How to use: Just fill the food, insert one end of the opening into the vacuum, then the machine will extract the excess air and finally seal. Warm Tips: - Some fruits and vegetables swell after a chemical reaction, so they should be consumed as soon as possible. - Avoid sharp foods such as bones that puncture the bag and cause air leaks. Package Included: 100 x Vacuum Food Seal Bags