Features: RELIEVE: Massage roller helps to relieve sore and tight muscles to rejuvenate and revitalize your body. EASY TO USE: Slowly roll this massager to use your own body weight and gravity to relieve muscle knots and tension. Try it under your foot, wrist, arm and leg. SPORT AND WORK: Use it to relax muscles after running, hiking, climbing, or sitting for a long time, or doing housework. It fits sports fans, travelers, office staff, and housewives. PORTABLE: 6.5X2.6 small size to carry to gym, office, or carry it for a trip. CURVED SHAPE: Curved TPR body and PVC wheels to fit your body area. Easily use it on any flat floor.