Bundle: Gymnic Hop 45 18" - (Yellow) + Free Pump (2 Items, Ball + Pump) Hop-45 measures approximately 18" in diameter; ships uninflated. Hopping promotes balance and coordination in children while providing a fun workout Hop ball features a special patented handgrip safety handle for the safest hopping Made from soft, super strong, latex-free, BPA-free and phthalate-free vinyl For ages 5 years and older, up to 5' 0" in height and maximum 100 lbs