Designed to not only help young people get moving with fun, effective exercise, this durable hop ball also helps develop balance and coordination skills, making it a great choice for home, day care or preschool use. Designed for kids ages 3 and up, the ball is made of latex free vinyl in bright blue finish. Ages 9 years to adult. Made of heavy duty vinyl. Inflation by adult. 26 in. Dia. (4.00 lbs.) This Hop Ball is the very best quality in hopping balls. Made from the super strong, yet soft vinyl latex-free material for long lasting use and durability. Great exercise product for indoors and smooth safe outdoor surfaces. Promotes childrens body coordination, balance, lymph circulation and provides a fun work out while hopping on the ball. Special patented hand grip safety handle. Maximum sustainable weight up to 300 lbs. based on the size of the ball. Inflate with a hand or foot pump.