It is made of food grade silicone and pp material. It is odorless, non-toxic, dust resistant, durable, impermeable and easy to clean.Its withstand temperature range: -40~230 degrees Celsius. It can be used safely in ovens, microwaves, dishwashers and refrigerators. Suitable for oiling, baking, grilling, preparing food, etc.6 5/16"L x 1 3/16"W