Foam Shaft Muscle Foam Shaft Muscle Foam Shaft Muscle Foam Shaft Muscle Foam Shaft Muscle Foam Shaft Muscle Foam rollers glide along a smooth flat surface very easily and dispense the paint on the surfaces evenly. Foam rollers tend to last a shorter period of time than traditional rollersFoam rollers glide along a smooth flat surface very easily and dispense the paint on the surfaces evenly. Foam rollers tend to last a shorter period of time than traditional rolleMaterial: PPalleviates muscle tension in a gradual and personalized way, improves mobility and boosts circulation, facilitating tissue oxygenation.