Use this heat press mat while you work on sublimation, heat transfer vinyl and heat gun projects. The mat protects your crafting surfaces from heat damage while also creating a safe surface for you to work your magic and make fun personalized pieces. Details: Black 12" x 12" (30.4cm x 30.4cm) Slip-resistant Heat resistant up to 400 degrees Fahrenheit (204 degrees Celsius) Cotton, silicone, aluminum foil and polyester Spot clean only