? VERSATILE: Resistance bands are extremely versatile, great for P90x, Insanity, Crossfit Training, Yoga, Pilates, Beachbody, Physical Therapy, Strengthening, Toning Upper and Lower body. You can also isolate and target gluts, legs, hips knees. ? RESISTANCE: 30 to 40 LBS. They are lightweight, easy to carry and great for home, gym and travel. ? QUALITY MATERIAL: The exercise resistance ropes are made from 100% free of Latex,highest quality rubber and TPR Foam for maximum strength and resistance. ? TRAIN WITH COMFORT: They have soft foam D-handles, pre-attached, for continued comfort during repetitive movements. Cushioned foam handles provide comfortable and slip-free grip. ? PERFECT FOR BUILDING MUSCLE: They are perfect for Muscle Building, Fat Burning, Weight Loss, Cross Fitness Training, Pilates, Yoga and Improving Fitness Levels