All materials are safe and non-toxic, environmental-friendly, provide best protection for baby. EPE foam material is super soft, elastic and reduce shocking, prevent baby from bumping against  floor. Lovely animal hanging toys can be hung on the support arms, baby will discover the overhead toy when lying on the mat, which stimulates imagination and train grab ability. Comes with multiple colorful balls in the animal's head for baby to play. The safety guard mesh and support arms are detachable, easy to install and storage.