54.5" diameter x 43.5" height with a maximum 50 lb weight tolerance. Suitable for children ages up to 18 month of age. Cushiony, inflatable base for safe, soft baby play fun! 2 hanging spin toys included! The spin toys have rattles inside for baby to play with. The Gym's sides are transparent so mommy & daddy can easily watch baby. Add 100 Fun BallzTM and make this My-First-Gym into a fun ball pit! Ball pit balls sold separately