1.Sturdy Design: The Semi-circular foam roller features a sturdy, high-density foam structure that provides additional support for all body types during stretching without deformation. 2.Fitness Promoter: The half round yoga roller can help you stretch tight muscles or be used to build muscle. 3.Practice Promoter: The half round yoga roller features the gentle non-slip grip and extra traction. It also provides additional security when used in physiotherapy exercises. 4.High quality half round foam roller, can be used as yoga roller, yoga brick, balance board, etc. 5.Easy to Store: The half round roller is easy to store and carry for daily exercise in the gym or hotel room. size:30 x 7.5cm Material:EPP colour:black Package Contents: 6 x Half Round Foam Roller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.