A 5 ½" thick foam-filled ring with heavy gauge, vinyl. With padded bottom and 8" H. padded walls and a variety of multi-sensory, tactile stimuli: 3 fabric textures, an unbreakable mirror and 4 bright, removable plastic chains of five links each for use with baby's favorite rattles. Outer ring is 32" diam. Ages 6 mos. +.