Elastic strap for free adjustment. Can perform intramuscular exercises. Design for nurses and students injection training. Wearable design, increase the sense of operation reality. Made of pp and silicone material, safe, moistureproof, lightweight. Specification: Material: PP, Silica Gel Size: Approx. 48.5 8.3cm 19.1 3.3in Color: White nude Package list: 2 Injection PadGUARANTEE: We offer 100 no risk money-back guarantee if you're not thrilled with your purchase for any reason. Any questions during installing or using, just tell us and we will do our best to give you the most satisfactory solution. Size: 8.4 7.5 3.8cm, Tape size 2.5cm width x 50cm length, Bottom pad thickness: 2cm, Practice sponge thickness: 1.8cm. Wearable Design: A convenient simulator for injection training, the strap can be worn on the thigh and arm, increase the realism of the operation. 2-layer Design: The intramuscular injection practicing module is divided into the skin layer, muscle layer. Durable Design: Multiple punctures and pinholes are not obvious. Durable design allows you to use the skin pad over and over again.