MATERIAL: food -grade silicone SIZE: 7.4*1.2 cm Wide range temperature tolerance: -40~230oC. Tasteless, non-toxic, dust resistant, durable, no permeate and easy to clean. EASY TO USE: Be safe to use in ovens, microwaves, washing machine and refrigerator. SUITABLE for making cake, bread, mousse, jelly, prepared food, chocolate, etc.