SAVE LIFE:The first aid tourniquet can effectively occlude arterial blood in both upper and lower limbs to life-threatening bleeding.It support rapid application so it is able to stop hemorrhaging and saves lives in the key moment before the professional first responders arrive. ONE-HANDED APPLICATION:Thanks to the one handed operation design,this tourniquet is handy to apply on yourself.When you're unexpectedly injured without nobody accompanied with, you can also be treated by your own with. SIZE FOR MOST:The size can be adjusted to fit different users.The stretchable length that can be up to about 95cm,which provides sufficient room to put it around am large arm or leg. COMPACT AND HEAVY DUTY:It is lightweight and compact,so it causes no any trouble to your backpack, bags or even pocket. Made of study durable nylon and hard plastic material,it is is ideal for outdoor various tough conditions.