A Bose is a balance trainer that can be used on both sides one side has an inflatable dome, the other has a flat surface. Both provide a variety of challenges to the entire body. You can use the flat side for exercises such as push ups, squats, lunges or sit ups. You can stand on the inflatable dome and use free weights to do shoulder presses, arm curls or lifts all while adding the extra challenge of balance to the workout. Now you can store your Bose balls easily out of the way in your facility. You can provide a range of Bose options to your clientele and display them attractive storage rack. Bose balls sold separately. 30" W x 66" H x 23" D. Bose Ball Storage Rack is perfect for any gym. Keep your Bose balls off the floor and out of the way. Display the balls for easy access. Keep balls and floors cleaner.