Strong Foam Roller, Medium Density Deep Tissue Massager For Muscle Massage The product is shipped based on the color or size of the main image of the product page. Strong Foam Roller, Medium Density Deep Tissue Massager For Muscle Massage 3D textured rollers measure 13 x 5.5 inches with triple massage zones to replicate the fingers , thumbs , and palms of the human hand.Great for runners , after a long workout , or as part of your stretching routine . Heavy Duty EPP construction tough enough for athletes , and still comfortable enough for a beginner .Speed up recovery , treat muscle pain , increase performance , flexibility , and mobility . One of the fitness tools to help your body recover , rolling before and after exercise is critical for beginners and pros alike .