Pleaser Pair of Clear Detachable Ankle Straps. You get a set of 2 in the Packet. Ankle Straps size Small to Medium fits shoe sizes 5 to 10 and Large to Extra Large fits shoe size 11 to 16. The clear strap is fitted on the underside of the shoe. Very handy accessory to add to a slip on shoe if you need more ankle support and a more secure fit.