Made of silk, cotton and rubber thread, it provides super strong, high-strength elastic support for optimal performance. Easy to Use: One-handed operation or first responder operation, it can be used quickly and quickly in any situation. Small and Portable: The tourniquet is small and lightweight, easy to carry. It can be stored in a backpack, emergency bag, car, motorcycle, construction belt, or carried with you for immediate use. Comfortable and SafeCan firmly fix limbs of various sizes, including infants, children, adults. The design ensures a better grip for medical providers. Cold-Proof Technology: Designed with a composite buckle, it resists breaking and cracking in cold weather. This is a one-handed tourniquet that controls bleeding without causing pain during tightening.