Used only about twice. cotta Macaron Guide Mat Round Outer dimensions: 240 x 360 x edge 20mm Per piece: Diameter 40mm Material: Silicone, fiberglass Heat resistance: 300°C Cold resistance: -40°C Made in: China Care instructions: - After use, wash with detergent, wipe off moisture, and store dry. Usage notes: - Before using for the first time, wash with liquid detergent and a soft sponge, wipe off the water, and then use. This is a cotta original silpat with guidelines for piping macarons. You can bake not only macarons but also other sweets such as cookies.