AHT Flat Ribbon Floor Heating Mat 120V Size: 40" x 6.5' (Can not be Cut). Over 30% Savings in Electrical Consumption due to Amorphous Metal Technology and Dense Ribbon Coverage. Floor Heating Mat can be used under any type of surface: ceramic, marble, carpet, hardwood, laminate Flat heating cable - Ribbon, is the thinnest product on the market. Only 1-2mm thickness Using 30% Less Electricity Due to Amorphous Metal Technology and a Flat Shape of the Heating Cable Floor coverage by actual heating element is 20%-35% vs. 3%-5% in regular round heating cables Opertaional Temperature is 30-35 Celsius, which makes it safe for hardwood and laminate floors