This chair is so comfy kids never want to get off! Filled with beads that allow you to sink in and relax! Requires a music system with external speakers with a minimum output of 50w per channel. The vibrations from your music can be heard and felt. Measures 35-2/5 x 31-1/2 x 31-1/2 inches with a seat measuring 16-1/2 x 16-1/2 inches and a height to seat of 15-3/4 inches.