The OPTP Performance Wedges include a pair of durable supportive foam wedges designed to provide support for better alignment during a variety of movements. The innovative design of these postural support wedges was inspired by chiropractic care, personal training, engineering, and biomechanics. OPTP Performance Wedges are designed to provide comfortable alignment, posture, and joint support during movements and exercise routines. Ideal for yoga, Pilates, physical therapy, and fitness training, they serve as supports for alignment and form during squats, planks, pushups, and balance-related movements. Users of all levels from low-impact to advanced challenging movements can benefit from the supported provided by the specially designed foam support wedges. Invented by chiropractor Dr. Greg DeNunzio and personal trainer Luis Leonardo, the wedges are made of durable, foam construction that is sweat resistant and easy to clean. Included with the wedges is an exercise manual demonstrating basic exercises using these wedges. OPTP Performance Wedges Exercises provide support to promote improved strength and functionality. OPTP Performance Wedges Specifications: Includes: One pair of wedges. Measure: 8.5 inches long, 5 inches wide, 2.25 inches high. Weigh: 1.7 ounces. Material: Durable, comfortable foam construction, Sweat resistant, easy to clean. Includes: Exercise manual demonstrating nine basic exercises with additional variations.