The Profissimo 1L freezer bags with quick closure (comfort zipper) are ideal for storing and preserving frozen food. The stand-up bottom makes filling easier. The bags provide secure protection against freezer burn, ensure aroma protection, and are made from extremely tear-resistant and cold-flexible film. Usable in a temperature range of -40°C to +90°C. At +90°C, heat for a maximum of 15 minutes.