US Professional Vacuum Rolls & Bags For vacuuming & sous vied cooking # Strong & tear-resistant # Ribbed structure # Robust weld +# No freezer-burn < Boil-proof (in water at 212 °F for not longer than 8 hours) % Microwave use possible (in water at 212 °F for not longer than 8 hours) Usable for the following vacuum devices : CASE, Neuronal, Schoolteacher, CALAIS, Backstroke, Food saver; Genii, Solis, Unsold, Sheba, Motel, Ohm ex, Lava, Flame Nova www.casodesignusa.