OPTP STAR ROLLER Firm Density Foam Roller (STFIRM) - 36 x 6 Inches OPTP STAR ROLLER firm density foam roller Constructed of heat-molded, closed-cell EVA foam for durability Ridged surface compresses and releases the tissue Mobilizes connective tissues, rehydrates the fascia and increases range of motion Measures 36" L x 6" diameter