Phenomenal Full Body Workout - Climbing ropes engage your core, fire up your lats, work your biceps and forearms, and activate your hamstrings for stabilization Why Poly Dacron? - Double-twist braided polyester dacron is a strong, durable rope that feels extremely soft and won't splinter like manila rope. It has excellent UV resistance for outdoor use Improves Grip Strength - A strong grip is a key biomarker of healthy aging and enables the use of heavier weights. A forceful grip indicated greater muscle mass throughout the body Quality, Durable Construction - Both rope ends are heat-sealed with a waterproof boot to resist fraying, and the sturdy anchor mount is secured with two bolts. It quickly and easily attaches to a wide variety of ceiling attachments and hanging hardware Choose Your Size - Each rope measures 1.5 inches in diameter and is available in 3-foot, 6-foot, 8-foot, 10-foot, 12-foot, 15-foot, 18-foot, 20-foot, 25-foot, and 30-foot sizes for a variety of uses