40 degrees  PVC transparent raw material is various appearance, good touch feeling, bright color and lustre, high technical content, and can be 100% recycled.Gum-rubber out soles get the name for toughness, elasticity, abrasion resistance and transparency characters like the real cattle muscles.It can be made by rubber.Gum-rubber out soles  appearance is beautiful,  good elasticity and wearing resistance.Wearing comfortable, no noise which  is the superior sole  material of sneakers and daily shoes.