Product Introduction: 2. Product Features Stable, comfortable, durable and wear resistant, easy maintenance, excellent noise reducing effect (reduce 25db / 28db) 3. Application Mainly used to cover different places' floor, such as PE training venues and various indoor fitness activity places. 4. Specifications Thickness: 3.5 mm / 4.5 mm/6.5mm/8.0mm Width: 1.42 m/1.51 m/1.80m Length: 15m/20m or as your requirement. 5. Packing Inner packing: Paper core inside Outer packing: kraft paper outside. Inner packing: Paper core inside Outer packing: Kraft paper outside.