EPE Black High Density Foam Roller: 6"x12", Round, 1.9 lbs per cubic foot (FFP) Molded EPE foam roller has a 1.9 lbs. per cubic foot density, will not lose its shape after heavy to moderate use High density foam targets specific muscles for self-myofascial release to ease aching muscles while improving joint range of motion Multiple uses: great for sore muscles, balance, flexibility, physical therepy, yoga, and many differnt strength training exercises Available in three sizes to accommodate all of your foam rolling needs: 6"x12", 6"x18", and 6"x36" PERformance Roller is Made in the U.S.A.