FIRM BACK ROLLER: High-density foam structure provides a deeper massage than a standard foam roll and maintains firmness despite pressure; the 300 LB maximum weight capacity makes it ideal for beginners and advanced fitness enthusiasts alike VERSATILE MASSAGE TOOL: Ideal for pre and post-workout, the foam roller back massage releases tension from numerous muscles in the back, legs, neck, calves, IT band, hamstrings, lats, and glutes for greater mobility BODY AWARENESS: This massage fitness tool aids with instability in Pilates core exercises, spine stabilization, balance assistance, and enhanced body awareness; Ideal for yoga and Pilates practitioners, or for muscle recovery LOW MAINTENANCE: Made from high-density expanded polypropylene (EPP), our foam rollers are easily recycled, water-resistant, and hygienic for easy maintenance; high-density provides deep pressure for experienced users, but new users may be sensitive VARIETY OF SIZES AND COLORS: Choose from 4 sizes; full-length 36 x 6-inch for full back coverage; our compact 24 x 6-inch option; 18 x 6-inch for smaller muscle groups; 12 x 6-inch option that's ideal for travel and space-saving