TriggerPoint GRID Foam Rollers TriggerPoint empowers people to reach an optimal level of movement by providing best-in-class self-care products and education. TriggerPoints entire family of products help people achieve natural freedom of movement. TriggerPoint GRID foam rollers feature a patented design that offers a multi-density exterior constructed over a rigid, hollow core for superior effectiveness and durability. The GRIDs sturdy construction withstands repeated use while maintaining shape and integrity. Unlike traditional foam rollers, the distinctive, multi-dimensional surface of the GRID replicates the feeling of a massage therapists hands to help channel blood, improve oxygen flow, and heal tissue. TriggerPoint GRID Foam Rollers can prepare the body for peak performance by helping users recover from injuries, relieving muscle and joint pain, and improving circulation, flexibility, balance and mobility. GRIDs patented design makes it the first foam roller to feature a multi-density exterior constructed over a hollow core. The surface pattern is ideal for rolling through tight muscles, knots, and kinks. The proven durability and superior effectiveness of the GRID has helped make it a trusted tool of physical therapists, massage therapists, athletic trainers and professional athletes. Durable, multi-density EVA foam exterior over a rigid, hollow core withstands repeated use while maintaining shape and integrity. GRID Original, X and 2.0 Foam Rollers support up to 230kg, GRID Mini supports up to 230kg. Using TriggerPoint GRID foam rollers provides benefits such as decreased muscle and joint pain, increased circulation and flexibility, improved range-of-motion, better balance, and improved gait.