Our Starry Night Baby Activity Gym gives "reaching for the stars" a whole new meaning. That's because it includes a set of five space-themed detachable hanging rattles that'll keep your astronaut-in-training active and stimulated. Plus, a soft cotton mat with a dazzling planet pattern makes this the comfiest activity gym in the Milky Way. The mat's surface is made of high thread count pure cotton percale, while the back is cotton canvas. It is generously padded with Antimicrobial and Hypoallergenic Polyester wadding. Starry Night Baby Activity Gym 36 "W x 28.5" H. Adult supervision required; never leave child unattended. Do not allow children to sleep on the product.