Bosu Balance Trainer, 65cm The Bosu Balance Trainer delivers killer cardio workouts, builds strength, improves balance and flexibility, and fine-tunes sport skills Focus on a full body workout or mix and match core, upper body and lower body to create endless workout options. Use the Bosu Balance Trainer dome side up or down to create different exercise options. Includes Bosu balance Trainer, 4-in-1 workout DVD's +2 workouts from the xplode series DVD, owner's manual and pump 90 Day Warranty. Maximum user weight: 300 lbs. Inflates between 55cm and 65cm when fully inflated Proudly made in the USA