Description: ●Highly Flexible, convenient and practical to use, single hand operation. ●Reusable,Slow and secure releasing, no pain to tighten ●Space-saving and easy to store, binding them in a circle in your emergency box or backpack. ●Suitable for doctors, medical students, nurses and paramedics ●Suitable for outdoor survival, camping, hiking or any emergency situation. ●A nice gift for your friends, lover and families. Specification: Material: ABS + Non-woven fabric Size: Approx.6.5x3x2.5cm/2.6 x 1.2 x 1.0 inch Color: Pink Black Purple Application: tourniquet Function: Stop Bleeding Package Includes: 1 Piece Tourniquet (4 Pack) Note: How to Use 1. Open the pack, take out tourniquet, press the valve on the lock valve of tourniquet lightly, and the valve will pop up automatically. 2. Get the valve back to the lock valve to form the tourniquet circle. 3. Then wear the circle on patient's arm and tighten the elastic strap to perform routine infusion. 4. When loosing tourniquet, please loose it slowly, and then it will spring open.