kee-seal ultra with its unique patented textured grip. Its versatility and strength allows you to work with confidence. Fully HACCP accredited, this ergonomic award winning bag is microwaveable and freezable for hot and cold use, temperatures from -30 to 110 degrees Celsius. Made from pure polyethylene and suitably recyclable, produced in a sterile environment, total food safety compliant. The professional chefs choice reducing labour, costs and no messy cleaning when using kee-seal piping bags