Name/High-intensity fitness mat 4.0 Material/NBR Nitrile rubber Features/Wet and dry, anti-skid, slow pressure and shockproof Style/standard version, overlock version Accessories/breathable backpack storage straps Color/black, gray, purple, blue, pink, black red, gray red Training parts/middle of abdominal muscles, biceps brachii, triceps, latissimus dorsi, deltoid, abdominal muscles, etc.