sulifeel rainbow unicorn 4 size adjustable light up roller skates for girls boys for kids - medium(13c-3y us) sulifeel <b>▉suitable skate size</b> -- please choose the proper size by measuring your kid's foot length ,size may vary among different brands. <br> ※the size small fits foot length between 7in and 8in<br> ※the size medium fits foot length between 8in and 9in<br> ※the size large fits foot length between 9in and 10in<br> <br> <b>▉special illuminating wheels</b> -- all wheels illuminating, white lights inside the wheels with self-generating power. no battery needed.<br> <br> <b>▉safe closure system</b> -- the cuff nylon buckle, power strap and lace closure system will help fasten the feet properly into the skate,providing your kid a safer condition when using our inline skates.<br> <br> <b>▉delicate gift wrapping</b> -- we use hard and delicate box to package the inline skate. you can choose it as a christmas gifts or a surprise,your kid will like it. <br> <br> <b>▉tips</b> -- ※if your kid skate outdoor more often, please change the pu wheels to higher durometer,such as 85a.<br> ※wider feet,growing feet or half sizes please go up a size.<br> ※please check wheels and truck tightness and adjust as needed to use.<br>