VERSATILE MASSAGE TOOL: Ideal for pre and post-workout by massaging and releasing tension from muscles including back, legs, neck, calves, IT band, hamstrings, lats, and glutes for overall better mobility FIRM MASSAGE – High-density foam structure provides a deeper massage than standard foam rollers, and is extra firm to support all body types without losing shape after regular use. Effective for all fitness levels from beginners to advanced. Maximum weight capacity is 300 lb BODY AWARENESS – This versatile fitness tool offers instability for Pilates core exercises, spine stabilization, balancing exercises and body-awareness LOW-MAINTENANCE - Made from high-density expanded polypropylene (EPP) that is easily recycled and is water-resistant for hygiene and easy maintenance. VARIETY OF SIZES AND COLORS – Choose from 4 sizes: full-length 36 by 6 inches for full back coverage, 24 by 6 inches for more compact, 18 by 6 inches for smaller muscle groups, and 12 by 6 inches that’s ideal for travel and space-saving. Comes in solid and speckled designs: black, purple, blue, pink, red, orange and green.