This mat is made of reinforced fiberglass and food grade silicone. You will enjoy the best NON-STICK baking mat. No more scrubbing! Even burnt sugar and fat falls off on its on. Just rinse the mat in warm soapy water OR clean cold water to clean it .

Features:

• Material: Glass fiber with food grade silicone outside
  
• Certificates: FDA and LFGB
  
• S: 26cm x 29cm / 10.2" x 11.4"
• L:  40cm x 30cm / 15.7" x 11.8"
• Safe temperature: -30~120 Fahrenheit Degree
• Super versatility.