Specifications: Food grade aluminum foil material, easy to shape, safe and high temperature resistant. High-quality thick foil is waterproof and oil proof, effectively protects the cooktop, more sanitary and clean. During use, please do not touch directly with your hands to avoid burns. Type: Gas Cooker Mat Material: Aluminum Foil Quantity: 10Pcs Features: Durable, Round/Square Shape, Easy to Clean, Oil Proof, High Temperature Resistant Round Type Size: Inner Diameter: 11cm/4.33", Outer Diameter: 23.5cm/9.26" (Approx.) Square Type Size: Inner Diameter: 11cm/4.33", Outer Diameter: 21cm/8.27" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Gas Cooker Mat (Others Not Included)