Highly flexible, latex free cotton ribbon which is gentle on the skin.Ergonomic casing ,sturdy snap-on clip. Apply, adjust, and release with one hand. This product is mainly used for stopping massive hemorrhage of limbs on field conditions or in normal pre-hospital emergency. People can realize a one-handed implementation of the homeostasis operation. It is able to regulate the pressure needed, stop bleeding fast, improve the efficiency of homeostasis greatly. Quantity over 15000 piece is the price of sea transportation.