["ADJUSTABLE 4 SIZE: Girls blades inline with size adjustment at touch of the button its easy for kids to put on/take off. These skates can grow with your child because the shoes can be adjusted to four sizes. Inline skates are available in three sizes: S(10C-13C US)/ M(1-4 US)/ L(5-8 US) please check our size chart for the specific length of the shoes." 8 WHEELS ILLUMINATING: All Light up Wheels are powered by wheels rolling and does not need any replacement batteries! Your little kids is sure to fall in love with our lovely inline skates. It’s a good chance to experience the joy of roller skating at night for the colorful flashing feature. (Tips: Please check and tight wheels regularly to prevent them falling off) "ADVANCED CONFIGURATION: Skates girls blade with excellent stitching and high quality fabric inside you will feel your feet are wrapped in soft fabric. The skates use 82A PU smooth wheels with ABEC-7 bearings. Soft lining provides good sweat absorption extra padding in the front prevents your childs toes from hurting." TRIPLE PROTECTION: Our boys skates designed with 3 protective layers: Durable fixing buckle wear-resistant hook & loop strap and strong shoelaces offering the strong support for ankle. The single brake is equipped on right foot to prevent the danger of falling. IDEAL PRESENT: MammyGol inline skates can be a perfect birthday/Christmas gift for your kids grandchild nieces and nephews. The kids will have a happy childhood and great joys with our skates. Affordable for beginners we always aim to provide a high quality experience for our customers.]