Step inside and bounce, bop, and bump with our Set of Two BBOP® Inflatable Buddy Bumper Balls! Climb inside this translucent, 36" diam. inflatable sumo ball and let the big fun begin, whether you are bouncing and rolling solo, or challenging a friend to a bopping duel! Kids have a blast with these giant wearable balls with openings for the head, legs and arms. Nonstop moving, laughing, bumping, and bouncing! Set of two Buddy Bumper Balls doubles the excitement. Great for birthday parties or backyard fun! For long-lasting fun, be sure not to over inflate. Adult assembly and supervision required. Set includes two balls in one box.