Product Description: 1. Waterproof and antiskid: special anti-skid design, no fear of sweat 2. Decomposable, non-toxic, tasteless, harmless to you. 3. Perfect thickness: 10mm high-density pad can absorb the impact of the joint , providing strong support for users at all levels especially beginners. 4. Enlarged size: 183* 60*2cm Special reminder: due to the use of foam material, it will be compressed during transportation. There may be an error of 1-2mm. Please understand