Yoga Wheel Only or Yoga Wheel Set with either Fitness Towel & Infusion Water Bottle or Yoga Wheel with Infusion Bottle only - by Ottimo Fitness Safely Assists With Doing Backbends 12 inches high by 5 inches wide To Release Muscle Tension, Improve Flexibility and Stretch the Back, Open Up the Chest & Shoulders Includes a Full Color Pose Guide Improve Balance and Strengthen Your Core