This therapy roller is perfect to aide muscles recovery after exercise and it is the best pick for all fitness enthusiasts. Product DetailsDimensions/Size: Product dimensions: 29.5cm (H) x 15cm (Dia.) Inner hole: 4.9cm (Dia.) Material: Expanded polypropylene (EPP) FeaturesLight weight Aids muscle recovery after exercise Designed to release tension and workout knots Additional InformationWarning: Consult your physician before engaging in any exercise program. Always check equipment and accessories before use. Follow usage instructions carefully.