When choosing skates, safety is the most important factor. Double rows of wheels skates, it is obvious much safer and easier to learn, and more suitable for children and beginners. Feeling these different roller skates, give you enough reasons to beat your heart: Safe configuration: make parents more reassured, let kids have more fun; Adjustable size : for child‘s growing feet, that’s exactly a great design; Illuminating wheels : make your kids exciting feeling; Beautiful appearance : let the skater show a confident smile; Smoothly rolling : to inspire kids’ potentiality and release their charm. Size Recommendations: [Size] [EU] [Length of Users Feet] [S] [31-34] [185-210mm] [M][35-38] [215-240 mm] [L] [38-42][240-265 mm]Tips: For your safety, always remember to wear a helmet, wrist guard, elbow and knee pad. 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. ❤ Sincere Service We truly care about your customer experience and your product experience. We are 100% dedicated to your complete satisfaction. Of course, if you have any questions, you can contact us at any time. We will solve them for you as soon as possible.Precautions:generally speaking,inline skates are braked on the right foot, and it is easy to fall if both have brakes.Therefore, this is not a quality defect,it is a reasonable design.