The TriggerPoint Grid 1.0 Foam Roller in black and green is a versatile fitness tool designed for full-body muscle relaxation and massage. Made from foam and plastic, this roller features a hollow design and massage grid for targeted fascial release. With a 13" length and 6" width, it is lightweight at 1lb and suitable for both indoor and outdoor use. Ideal for gym training and personal workouts, this foam roller from TriggerPoint Performance is a must-have for those looking to relieve muscle tension and improve flexibility.