FitPAWS® TRAX™ Donut. NEW TRAX™ Surface Prevents Slipping and Provides Neurosensory Stimulation. NEW Burst-Resistant Design Provides Safe Balance Platform for Conditioning and Rehabilitation Exercises. Features: •Build Confidence •Improve Fitness •Focus Attention •Strengthen Muscles. • Special TRAX™ Design Provides Superior Grip and Stability. •Features TRAX™ Neuro Stimulation Bumps •Burst Resistant to 300 lbs. – Designed to Deflate Slowly If Punctured •13” height x 22”width (33 cm x 55 cm) •Inflation Pump and Guidelines Included