One pair shoe strap per order，one for left，the other one for right，shoes not included. One Size Fits All.You don't need worry about the strap size,our strap is longer than other market straps,more importantly ,our strap has 8 holes,not 5 holes like others,you can adjust the fit. Made of rubber and metal buckles. Perfect for heels which is a little too big，they fit right over your shoes so you don't have to worry about them slipping off while walking or dancing at a wedding or hosting an event.If you walk out of your shoes or your feet slide forward in heels,you should try it.Also a great way to change appearance of your shoes. Easy to use as the picture,there is a strap that wraps around the back of the heel and there is a strap that comes across the top of the foot and buckles on the side,the strap can stay in place and holds the shoe on very well,will not slip down when you walk. Have you ever been bummed that your shoes is a little too big and the next size down is too small?Have you ever worried that you will walk out of your shoes when dancing at a wedding or hosting an event?If you walk out of your shoes or your feet slide forward in heels,you should try these,they are awesome! These are the best solution ever! They fit right over your shoes so you don't have to worry about them slipping off while walking.