It is made of material, which can be used for a long time. Specially designed for kids, children, toddlers. With a very simple design, but it is practical in the use process. Lightweight and portable, the small dumbbell is very convenient for your kids to carry. Features - Material: Plastic. - Size: 20.00 x 8.00 x 8.00 cm/ 7.86 x 3.14 x 3.14 inch. - Feature with comfortable textured grip to prevent slipping when exercising, which can ensure your kid's safety. - Great for body workouts. Help tone and sculpt the arms, shoulders, back and also strengthen your kid's muscles. - This plastic dumbbell is lightweight, your child can carry it easily and conveniently. - Adopted from material, it is durable and for use. You can safely use this product. - Great gift for your friends and families with children. They will be very happy. Package list: 1 Pair x dumbbells