Trigger Point Performance The Grid 2.0 Revolutionary EVA Foam Roller The Grid 2.0 is 26-Inch long with a diameter of 5.75-Inch; weighs only 3.25 lbs. Durable design withstands constant, heavy, and repeated use without breaking down. Weight capacity 600 lbs. 1 year warranty. Made with EVA foam, the Grid and Grid 2.0 use less foam than most foam rollers due to their rigid, hollow cores. Unique Distrodensity Zone design creates a unique matrix of varying widths and densities that allows for a precision massage. Recommended by physical therapists and health care professionals.