Колено слайдер

Knee slider,knee protector,sumomoto 5020 knee slider, custom order only. We use highest grade of material only to ensure the quality. Itis BASF 64D Polyethylene which is the same as passenger air plane wheels and they are 3 times as durable as most other materials;The material beneath the plastic slider is genuine 1.2mm thick cow hide;, the 1.2mm cow hide is more than strong enough for the life period of the knee slider; They are stitched with the Velcro,in addition to super strong glue;Small quantity and customers package is acceptable.Three Design is available,new moulds are under development.