anti-slip, freeze-proofing jump rope, the function is derived from sponge handles. Sponge handles made from NBR foam or EVA foam.
And the foam material is natural bubble structure, so it’s anti-slipping. During cold winter, foam, sponge, spume and related materials, won’t absorb too much heat when you using it, that’s the reason it’s anti-freezing.
According to customers’ requirements, we have bearing & account handles, cotton, NBR or PVC rope.