Yes4All Wooden Wobble Balance Board &ndash; Exercise Balance Stability Trainer 15.75 inch Diameter None Imported GREAT FOR BALANCE TRAINING: Improves core strength, posture, enhances coordination, sense of balance and visual sense. Great to strengthen the targeted muscles, ligaments, tendons and joints DURABLE, NON SLIP SURFACE: Premium Wooden Balance Board with anti-skid pad on the surface provides a secure grip for absolute safety. 15.75 inch diameter large enough for both feet. Support up to 300 lbs 360 DEGREE ROTATION and 15 DEGREE TILTING ANGLE: 360 degrees rotation and up to 15 tilting degree, great to perform side to side, front to back, stretch and circular drills VERSATILE, COMPACT BALANCE BOARD: With the lightweight, portable design, this balance board is great for Balance Exercises, Home Gyms, Gyms, Sport Performance Enhancement, Rehabilitation, Strength and Balance Workouts BEST SATISFACTORY WARR: We fully stand behind our products. If our product does not meet your needs, our customer service are free-hassle to resolve your issue at once