The vibrating TriggerPoint GRID Vibe Plus foam roller features high-density EVA foam to provide clinical therapy technology in a compact, portable, and personal unit. Specifically designed with four vibration frequencies ideal for pain relief, the surface pattern of the GRID Vibe Plus replicates the feeling of a massage therapist's hands to help channel blood, improve oxygen flow, and heal tissue. This vibrating foam roller helps prepare the body for peak performance by helping users relieve muscle and joint pain, and improve flexibility, balance and mobility.