Key Features:\r\n BPA and Phthalate Free, Commercial Grade.Customize Length Fitted Rolls save your money.\r\n\r\n 4 mil thick non-embossed front panel for optimum clarity.Works with All Clamp Style Vacuum Sealers.\r\n\r\n The vacuum bag can withstand high temperatures up to 110°C and low temperatures up to -20°C .Safe for dishwasher, freezer, and micro-wave use.Feature great performance for sous vide cooking.\r\n\r\n Keep your food fresh for 5x longer time than traditional methods, Keep Food Shelf Life More than 3-6Times Longer.\r\n\r\n Upgraded Composite material PA PE with embossed channels makes the bags strong enough to simmer and microwave in, and prevent freezer burn.\r\n\r\n\r\nHow to usage：\r\n Step 1\r\n Cut the Ziplock seal off the bag. Cut directly below the seal in order to get a straight cut.\r\n\r\nStep 2\r\n Fill the vacuum sealer bags with whatever it is that you want to store.\r\n\r\nStep 3\r\n Place the top of the Ziplock bag onto the sealing strip of the vacuum sealer.\r\n\r\nStep 4\r\n Press the \"vacuum & seal\" button.The air will be removed from the vacuum sealer bags.Once the air is removed, the vacuum sealer will automatically seal the bag.\r\n\r\n\r\nSpecification:\r\n Material Property: PE+PA\r\n Color: White Transparent\r\n Size: 3 rolls 8\"x 20\' & 3 rolls 11x20\'\r\n\r\n\r\nPackage Included:\r\n 3 rolls 8\"x 20\' & 3 rolls 11x20\' Vacuum Sealer Roll