Blessed Season for Your Family SIZE SUGGESTIONS: Please measure heel to toe length and choose size according to followings SIZE SUGGESTIONS: Please measure heel to toe length and choose size according to followings. 6.3(inch) foot⇒size: 10 Little Kid/ 6.8" foot⇒11 Little Kid/ 7.1" foot⇒12 Little Kid / 7.8" foot⇒1 Little Kid/ 8.2" foot⇒2.5 Little Kid / 8.7" foot⇒4 Big Kid/ 9.5" foot⇒6 Big Kid/. PLEASE PURCHASE BIGGER SIZE IS BETTER THAN SMALL SIZE IF YOU ARE NOT SURE.Please pay attention to the following before choosing a size. The '11 Little Kid' size is the SMALLEST, and the Little Kid size is getting larger in the order of 11≪12≪1≪2.5, Big Kid size is getting larger in the order of 4≪6. The '6 Big Kid' size is the LARGEST size.You can pop up and hide roller by a button at heel. So you can use this both of roller skates shoes and normal sports shoes. These skates shoes are great- comfortable fit- sleek style too. High Quality material, breathable, various pretty colors and wear-resistant rubber soles which is the best gift for lovers and kids.SDSPEED is the company from Korea - Home country of BTS , we try to satisfy the customers' needs and expectations. Please COMPARE and ENJOY our competitive PRICE and QUALITY. We are proud of our Price Competitiveness (be evaluated by Amazon) is 100% across our All Listing Products on Amazon. The Gift for Your Kids Wave Pink Wave Red Wave Blue Air Force Red Wh Blue Wh Pink Wheel In and Out Velcro makes it easy to wear. Just push a button to convert roller skate and sneaker. When the wheel does not come out or put in When the wheel(button) does not come out or put in. It is so easy to fix it (Just need a screw driver and 2 minutes). 1. Unscrew the bolts by screw driver and open the bolt cover of wheel box. 2. Pick a wheel out. 3. Check the springs on both sides and if it is bent, straighten and reinsert it. Put a wheel in and the bolts cover back and tighten the bolts. 2 in 1 Roller Skate and Sneaker When you want to glide, Press the button at the heel. The roller will pop up automatically. If you just want normal sports shoes, You can simply press the button at the heel to hide the roller. LED Colorful Series LED Dapple Series Holy Series LED Chameleon Series Skateboards LED Smarties Series Buying Options Add to Cart Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.4 out of 5 stars 3 4.2 out of 5 stars 5,615 4.2 out of 5 stars 1,042 4.2 out of 5 stars 2,133 4.8 out of 5 stars 6 4.2 out of 5 stars 2,133 Price — no data $38.97$38.97 — no data — no data — no data — no data LED Light LED Light no data LED Light 31 inches Skateboards LED Light Rechargeable no data no data Rechargeable no data Rechargeable