SPRI Foam Roller Medium Density Closed Cell EVA Foam (Available in 12 & 36-Inch Lengths) EVA FOAM ROLLER: Constructed of heat sealed EVA foam BUILT FOR REPEATED USE: Foam roller maintains shape after repeated use and is built to a professional grade quality and designed for commercial gyms and clubs to be used 100 times a day versus 100 times a year in a home gym CLOSED CELL EVA: Prevents moisture and bacteria from penetrating foam FOAM ROLLER RELIEF: Improves balance, flexibility and strength and provides myofascial relief EASY CARE ROLLER: Non-porous foam surface provided grip easily wipes clean after use