Easily attach to standard TheraBand 6” round-in-diameter foam rollers, allowing users to enhance their existing foam roller investment patent-pending design offers customization, progression and versatility. • Ridged surface • 4 progressive densities support varying degrees of tissue mobilization. • Yellow (X-Soft) provides extra cushion for more delicate patients through Blue (X-Firm) for advanced fascia mobilization. • Include detailed color instructions featuring general techniques and advanced exercises divided by muscle region. • Highly durable closed-cell foam extends product life and maintains its form Colour Density Yellow, X-Soft Red Soft Green Firm Blue X-Firm