Yoga & Pilates Mats features: Every body is different. Whether you& 39;re a massage therapist looking out for clients with deep tissue needs, an athlete looking for a roller for muscle soreness, or simply someone who carries stress and tension in their muscles and wants a roller to loosen up. This vibrating massage roller is your solution. Set the vibration to a level that& 39;s comfortable for you and feel the difference. Features Color: Black. Material: ABS. Size: 10.00 x 10.00 x 10.00 cm/ 3.93 x 3.93 x 3.93 inch. Electric massage ball helps penetrate deep into muscles, effective for releasing plantar fasciitis, tensions, myofascial release and trigger point treatment. Special designed shape, material, and texture allow you to target your muscles with precision. your pre-workout and recovery system with 4 vibration pulsating modes for circulation improvement and recovery of sore and tight muscles. Easy and with USB cable, convenient to use anytime and anywhere for relieving your back, hips, legs, arms, waist, and feet. rechargeable roller for muscle tension and workout soreness with special designed textured surfaces, massage balls physical therapy effective as a powerful tool in the massage.