Convert your favourite trainers into roller skates by easily attaching them to the heels of your shoes. Adjustable size so they can fit your child's shoe as they grow, one size fits all. Built in LED wheel lights give an amazing light display (no batteries required) as you skate along with your friends. Strong PU material with 608RS bearings for long lasting use and reliable strength. Easy to attach/detach so you can quickly switch between ordinary and skating shoes.