Body Sculpture 76cm (30") Anti Burst Blue Exercise Gym Ball with 6" Pump 76cm (30") Anto Burst Exercise Gym Ball include 6" Pump 76cm(30") - Ideal height for 76cm - cm diameter ball: 6' - 6' 4" Burst Resistant Heavy Gauge PVC Vinyl for durability Ball can used clinic, training room, gyms and home Improves alignment, stability, strength, and flexibility