Check the listing for details. Prosource Fit High Density Foam Roller - Size 12x6 Black. Color: Black, Condition: New. Listed at 19.99 USD. The Prosource Fit High Density Foam Roller is a versatile fitness equipment perfect for gym training and muscle relaxation. This 12x6 black foam roller from ProSource is ideal for full-body workouts, providing support for various muscle groups during exercise routines. Whether you are a fitness enthusiast or a professional athlete, this high-density foam roller can help you achieve your fitness goals by providing a comfortable and secure surface for rolling and stretching.