Perfect for personal use, it works great for both upper and lower body work. Muscle friendly, easy to use massage tool for therapy-clinic-quality myofascial release Quickly massages any part of the body without getting down on the ground Helps relieve minor muscle knots, aches, and soreness Superior, smooth roll glides over fascia and muscles to deliver a consistent distribution of pressure The firm design does not bend so you can target pressure exactly where you want it Exclusive Tiger Tail Gription™ (deep grip and friction on fascia and muscles) to bust out knots fast and speed recovery Saves thumbs, fingers, and hands from fatigue 11″ size comfortably rolls thigh, glutes, and calf for most people Take it anywhere — portable/easy to pack Medical grade, closed-cell, non-porous, zero rubber/latex, non-absorbing foam Easy to clean — antibacterial gel/spray