💙1. 【Adjust size】:Our inline skates have 2 different Unisex size(Small -12J-2 US and Medium -2-5 US) please make sure to choose the correct size via checking enclosed size chart pictures . And do not forget to adjust the length of boot by the push button before wearing, you will find that it's so convenient to operate, and kids and youth can use it for many years even though their feet are growing up..💙2. 🔥 Include 2 pcs LED Light up Skate Wheels 🔥 【 Wheels with color light 】: Wheels Illuminating, Colorful lights inside the wheels with self-generating power. No battery needed. The wheels will be to flash as bright as a lighting bolt in the dark when your kids rolling..💙3. 【Durable and smooth】:Frame of our inline skate is made from reinforced aluminium alloy , 82A PU smooth wheels, ABEC-7 bearings. Soft liner provides good sweat absorbent ability, extra padding in the front prevent kid's toes from hurting..💙4. 【Perfect Birthday Present and Holiday Gifts】- Inline Skates are loved by children of all ages and fun for adults, too. Leave the video games and phone inside. Enjoy hours of outdoor fun, Let’s go outside and play! (Warm Tip：Please check the wheels before using the inline skates ,in order to be more safe when your kids using them.).💙5. 【Sincere Service】:Kind reminder: Inline skates do not come with a skate bag. We have 100% confidence in our roller skates. If you have any question about our inline skates in time, we will happily accommodate and work with you. All issues will be solved within 24 hours.