Strength Project Resistance Bands Training band for Pull-Ups, Calisthenics, weightlifting, stretching (Purple (25-80lbs) ) Strength Project and Kali Muscle teamed up to bring you a variety of exercises through quality resistance bands Instruction manual and high quality videos included Suitable for all walks of life- Bodybuilders, general fitness, athletics, physical therapy, weightlifting, stretching, dance, and more. Some proceeds in the form of exercise bands and equipment will go areas of poverty looking to improve quality of life through exercise