The Steba VK 4 Vacuum Sealer, with 97% air extraction, makes your food last longer in the freezer and the refrigerator. Your food retains flavour and aroma longer. The Steba VK 4 Vacuum Sealer provides automatic suction and sealing for bags up to 30cm wide. Original grooved foils, made of a high-density material, create airtight, longer lasting seals. The reusable bags can be stored in the freezer, used in cooking, and in microwave ovens.