Durable Design - The kangaroo shoes feature rugged rubber grips on the sole for better traction. It also features a heavy-duty frame and secure adjustable fastening straps. Great for All Children - The Jumping Shoes fits shoe sizes 1-6 (32-38 EU) with a weight limit of 88 Lbs. making it great for children and teens. The shoes may take some time to break into completely. Staying Fit - The jumping shoes is a fun way to keep in shape. These shoes will help you burn calories, reduce body fat and strengthen your legs and thighs muscles. Safety - To prevent injuries, we recommend that you always use a Helmet and children must be supervised at all times while jumping. Great Party Idea - Invite some friends and jump together, or buy multiple pairs and use it for a party activity. Suggested age: 5 and up.