BLACK - HALF ROUND - High Density Foam Roller - 36"x6" - &sup2;B2ZRZ Measured 6-inch diameter HALF round, 36-inch long high density, heat sealed foam roller Smooth surface Great for yoga, strength, core balance, & stability exercise . Easily in your gym bag, backpack, or carry-on luggage Designed to enhance balance, pilates core abdominal, back stabilization, body awareness, muscle re-education, flexibility, and dynamic strength . BLACK color; shipping weight is 11 oz