This super-springy hop ball is made of rugged, heavier-grade vinyl than others, so it delivers more bounce to the ounce! Great indoor/outdoor energy release. And because we're offering hopper balls in multiple sizes, you can ensure safe, stable bouncing. Choose 18" Hop-Up! 45 for ages 4 years and, up to 100 lbs. or 22" Hop-Up 55 for ages 6 years and up, up to 125 lbs. You will need a foot pump or electric air pump to inflate.
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