· SAFE AND STABLE: Tri-wheel skates have improved balance which are ideal for beginners just learning how to skate and then easily converts into inline skates for more advanced skaters. · ADJUST TO YOUR GROWING FEET: The inline skates are easily adjustable with a simple push of a button. These skates will seamlessly grow with your kids and offer a perfect fit for years. The roller skates can easily be adjusted up to four sizes. · SKATE WITH SUPERIOR COMFORT: Boasting soft, comfortable padding to keep your child's feet cozy and secure as well as an impressively durable, molded polymer frame for added stability, these inline roller skates promise superior comfort even after prolonged use. The liner is easily removable for cleaning and is machine washable.