For children ages 3 months to 3 years. High-density foam covered with flame-retardant vinyl. Consists of four Velcro®-fastened sections in red, blue, yellow, and green. Requires minimum of 750 two-inch flexible plastic balls (sold separately). Measures 77" radius, 12" high, 6" thick (196 cm radius, 30 high, x 15 cm thick). Requires 32 square feet of floor space. Weight 18 lbs.