BOSU Pro Balance Trainer is designed for commercial use but is also suitable for home use. 
Ideal for personal trainers, physical therapists, rehabilitation facilities, fitness instructors, fitness clubs, Crossfit gyms, yoga studios, and sports teams.
Dome is made with a thick, heavy-duty bladder of latex-safe, burst-resistant material. Patented rubberized, non-slip, non-marking dually over-molded base.
Size is 26-inch diameter