Size: S (Inner size 18.5-21cm) Color: Pink Brand: Skycase Wheel Material: Polyurethane Wheel Type: Inline Skate Wheels Sole Material: Polypropylene 【One-touch size adjustment for long-term use】With a button operation, you can adjust the size in 4 stages to accommodate your child's growth (S size: inner size 18.5-21cm). No tools are required, and you can change the size in 4 stages by pressing the PUSH button, making it super easy to adjust the size as your child grows! This is an economical and environmentally friendly choice, perfect for children's rollerblades. Set contents: Inline skate body + 4 protectors (helmet, elbows, knees, wrists). Protects children's heads, elbows, knees, etc., allowing them to play with peace of mind. 【Fun and safe with 8 all-light-emitting wheels】Equipped with 8 light-emitting wheels that do not require charging. They sparkle just by skating, increasing your child's motivation and safety. Visibility is improved even at night. With a right-foot brake, according to your child's exercise habits, the left foot supports the weight, and the right foot has an independent brake, making it easy and safe to use. 【Excellent stability and smoothness】Our inline skates use a lightweight and high-strength aluminum alloy frame and ABEC-7 precision bearings. They absorb vibrations and provide a smooth and quiet glide. With PU wheels and highly cushioned insoles, they are comfortable even during long practice sessions. 【3-point fixing system to firmly protect the ankles】The skate shoes are fixed with Velcro, buckles, and shoelaces at 3 points to firmly support the ankles. The interior uses highly absorbent mesh and sponge, so you don't have to worry about stuffiness even when wearing them for a long time. Reinforced toe protection protects against toe impacts. Let's play safely and have fun!