This Bell Spotter 500 Flip Up Training Wheels is perfect for young children who are learning how to ride a bicycle. It is made of durable iron and plastic materials and comes in a sleek silver color. The training wheels are suitable for outdoor use and can fit on bicycles with wheel sizes ranging from 12 inches to 20 inches. Featuring a retractable design, these training wheels are easy to use and offer high durability. They are perfect for beginners and provide balance and stability during cycling. This product is manufactured in Taiwan and does not come with any manufacturer warranty. Get your child on the road with confidence with the Bell Spotter 500 Flip Up Training Wheels.