Hugger Mugger Back Massage Roller (Blue) Massage your back by lying on the roller crosswise and rolling up and down your back Lie lengthwise on the roller for heart opening Use under your knees for back release in Savasana Dimensions: 21 x 4 inches / Weight: 1.25lbs Zippered cover makes laundering easy and Convenient handle for carrying Lie over roller to expand chest and relieve shoulder pain Roll along your back to massage muscles Place under knees in savasana Lifetime warranty