Adjustable Sizes By pressing size button, you can easily adjust the size. Our inline skates are available in four sizes, each size with a button to adjust the length. Supportive Low Balance Shell The rollerblade for kids structure features an integrated shell and frame system with a lower center of gravity to give skaters more stability and control. This is especially great for new skaters because being closer to the ground helps with balance and allows them have more confidence. The lateral support of the roller skates for girls and boys will ensure proper ankle support and energy transfer to make learning how to skate better or simply improve existing skills. Secure, Convenient Closure The buckle, strap and lace closure system will help fasten the feet properly into the skate. The roller skates for kids cuff supports the lower leg for the desired forward flex with reliable lateral support. The laces work well with the reinforced uppers to create an additional wrapping effect when the skates are properly laced. Perfect Birthday Present and Holiday Gifts The great Inline Skates are loved by children of all ages and fun for teens, too. Leave the video games and phone inside. Enjoy hours of outdoor fun, Let's go outside and play! Do warm-up exercise and make sure the brake is in good condition before skating. Ensure that all the screws of the wheels, rivets are securely fastened before commence skating. Do not skate on wet, oily or uneven surfaces.