DURABLE & 100% SAFE: Constructed by 3-strand high-density poly Dacron, our battle ropes are wear-resistant and deformation-proof throughout years; odorless & environmental-friendly materials emphasize your health than anything, perfect for both outdoor and indoor use,BETTER GRIP WITH NON-SKID COATING: Heat shrink capes on both ends help better keep the shape, protecting your hands and allow you to have a firmer grip, so the rope won’t slip out of your hands even when you are sweating