Designed with a unique recessed channel, the CHANNEL Roller delivers direct compression while avoiding sensitive areas like the spine and IT band to target tight and overactive muscles. Built with durable foam and a flat surface, the CHANNEL Roller evenly compresses muscles to re-hydrate tissues and improve mobility. Featuring a patented hollow core design, the CHANNEL retains shape after frequent and repeated use. The easy-to-clean and sweat-resistant EVA foam surface are ideal for post-workout recovery sessions. As a specialty Level 3 foam roller for direct compression, the CHANNEL delivers an unsurpassed and targeted total-body massage. Includes access to free online instructional video library on foam rolling education from the experts at TriggerPoint. This 13 in foam roller is 5.9 in in diameter with a 500-pound weight limit.