ProSource Sports Medicine Foam Roller 24&rdquo; x 6&rdquo; with Grid for Deep-Tissue Massage and Trigger-Point Muscle Therapy (Available in 3 Color Options) Double the size of the original medicine roller, full length of 24" long by 6" in diameter Designed specifically to massage & stretch muscle & soft tissue along with relieving tight muscles Perfect for massaging last, quads, lower back, upper back or any other large muscle group Bumps are firm, but flexible for ultimate effect with a superior core interior Made with less foam than traditional rollers