✅ Brand new set of 4 rubber mats and 12 buckles. Currently listing 2 sets. This product is sold on Amazon for 7800 yen. ✅ These professional-grade training mats are perfect for home training or free weight areas in gyms. They are actually used on the floors of free weight areas in sports gyms in Japan and have high-weight specifications. ✅ Each mat is 50cm*50cm, 20mm thick, and weighs 4kg. These rubber mats are ideal for those who want to do本格 training at home, just like in a gym. ✅ The 2mm surface layer is made of EPDM rubber, which is hard and provides excellent stability. You can perform high-weight barbell squats with stability. The 18mm lower layer uses SBR rubber, providing excellent soundproofing and shock absorption. It protects the floor from damage. Surface hardness is approximately 65, and bottom hardness is approximately 45. ✅ The EPDM material sheet on the mat surface is smooth and does not absorb water, so you can easily wipe away sweat with a cloth.