Athlete Muscle Roller, Calf Roller, Back Leg Massager Product description Size: 44.5*4*4cm Color: Green, Black, Orange Material: Eco-friendly Rubber Packaging Material: 1*Muscle Massager 1. Multifunctional Upgrade: This upgraded version of muscle roller bar adopts solid core tube, and 10 gears adopt tread design. Unlike other gears, the gaps between our gears are specially designed to provide a deeper tissue massage and faster muscle relief. There is a 0.5cm gap between each gear to allow more flexibility and avoid any hairs getting in the way 2. Fast Recovery - Deeper Spine: This upgraded massage tool for feet, calves, legs, hamstrings, back, glutes, quadriceps, arms, neck, sciatica, back and shoulders Provides a deeper tissue massage. Very effective in pain relief from shin splints, plantar fasciitis, sciatica, restless legs syndrome, tennis elbow, etc., relieves sore muscles, aids recovery, and reduces stiffness and pain before and after workouts 3. Durable and High Quality Deeper Ridge Material: This upgraded massage stick roller is made of industrial strength material, polypropylene handle, TPR non-slip pad. 4. Non-slip handles: Dual handles with bump design help you hit those hard-to-reach spots and allow easy self-massage to provide the best treatment for your muscles 5. COMPACT AND LIGHTWEIGHT: Slim but powerful, Muscle Roller Stick is perfect for home and travel, going to the gym, at home or on the sports field, etc., perfect to keep in your gym bag