Product Description SPECIFICATIONS: WEIGHT: 1 LB 7 OZ DIMENSIONS: 17 X 11.5 INCHES MATERIAL: SILICONE FEATURES: 1/4 INCH THICK RULER MEASUREMENTS IN INCHES AND CENTIMETERS SILICONE PROVIDE GOOD HEAT-RESISTANCE BPA-FREE WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov/product Customer Reviews