Toxic free, made from 100% natural, biodegradable rubber from the hevea tree, this collection of sensory balls is painted with natural pigments, making them safe for infant and toddler exploration! Six multi-color balls are included, and each squishable ball contains a unique tactile pattern. Young ones can safely grasp, toss, and chew on these balls as they develop eye-hand coordination, and visual/spatial skills. Wipes clean with a damp cloth. Packaged in sturdy box that doubles as a convenient storage container.