1.100% Food-Grade Silicone Material, harmless to human body. 2. 100% nontoxic and odorless, no corrosiveness, completely natural, green products.3. Temperature range: -40 240 degree centigrade, freezing and heat resistant, waterproof, antiskidding, cool quickly.4. Easy to be cleaned and stored, and the color is always new and bright after repeated washing.5. non-stick, flexible, durable.6. ROHS, ISO9001, SGS, FDA, LFGB compliant.7. Any color available, customized design welcome.