New Super Silicone Kneading Dough Bag Mix Food Bag Knead Sack by SDBING Material:high quality food grade silicone,non-toxic tasteless,good antibacterial non-stick,durable Suitable dishwashers, disinfection cabinets, microwave oven, oven, refrigerator Suitable for: -40  C---230  C, acid and alkali resistant to high temperature aging Material: silica gel(Food Grade) Silica Gel Knead Dough Bag Flour-mixing bag