Made from non-toxic material, non-recycled & non-PVC plastic, BPA free, Phthalate free and lead free. Each ball measures 2. 3 inches in diameter, a perfect size for small child's hand. Crush-proof balls are designed to withstand 100 lbs that is strong enough for adult and soft enough for children. Strong and reusable mesh bag for re-storing the balls when not in Use. Great for filling any ball pit, tent, playhouse, kiddie pool, playpen and bounce house.