Features1\u3001[Ergonomic Design] This foam roller features grooved design that conform to the body, allowing the spine, bone, and tendons to fit to prevent pressure, injury, or abrasion. 2\u3001[Versatile Usage] With rounded ends for wall use to reduce pressure and improve stability, this 18 inch foam roller offers a comfortable and effective way to target muscle massage. 3\u3001[Enhanced Muscle Recovery] Superior to flat foam rollers, this grooved muscle roller helps improve flexibility, muscle recovery, and provide relief for back and neck massages. 4\u3001[Multi Point Massage] Ideal for targeting various muscle groups, including the neck, back, waist, and legs, this foam massage roller offers a comprehensive and relaxing massage experience. 5\u3001[Multipurpose Usage] Perfect for pre workout activation and post workout muscle relaxation, this muscle massage roller serves as a versatile tool to enhance training efficiency and relieve muscle tension.SpecificationItem Type: Foam RollerMaterial: EPPMassage Area: Neck, back, waist, legs, etc.Use: Activate training area before exercise, relax tense muscles after exerciseHardness: 75 Shore hardnessSize: Approx. 46x16cm / 18.11x6.3in (manual measurement, with an error of 1-3cm)Color: BlackPackage List1 x Foam Roller