... 3, 3.5, 4cm, 5cm and other X-ray, CE, ISO13485 10 years history 1. ... , 20*20cm 30*30cmweight30-50gX-rayWith x-ray, without x-rayRubber ringwith rubber ging, without rubber ... other materials.no stimulation of the skin.Disposable supplies more sanitary.4. Material:spunlaced nonwovens,spunbound ... wounds.4. External use only Hospital Grade Supplies 20x20cm Dia 3cm Rubber Ring Nonwoven Ball With ...