Part of the Golf Forever Training System. Expertly Designed To Improve Balance Strengthen your Core Integrates with the GolfForever Training System Works independently or with the GolfForever app 65 cm - accommodates most users 5'6" to 6'2" tall 1,000 lb. burst-resistance rating and PVC membrane for commercial-grade durability and performance Reinforced PVC membrane for comfort and durability Textured non-slip design Includes dual action hand pump, plug and removal tool for fast installation