... flourmaterial: food grade siliconematerial feature: nontoxic, eco-friendly, non-stick, high elasticity, long lasting useCan be used in dish washer ... , microwave oven , refrigerator , roaster Easy to mixing flour or mixing other foodstuff good storage bag, keep food fresh ... , easy to clean, various uses Original way of mixing flour VS an easy way kietchen helper, food grade silicone bag ...