Hip Exercise Bands:exercise bands is made of high-quality cotton polyester stretch fabric, which will not slide or roll up during use.it's best for hips, buttocks and legs, as these resistance bands help you squat properly and keep your knees straight.Yoga Bands Set:1.5m yoga fitness bands is made of latex,soft and flexible.our exercise bands will help you more effectively achieve full-body extension and enhance exercise in legs, hip,waist,arms and back etc.Different Resistance Levels: hip exercise bands--green light (15 ~ 25lbs),pink medium (0.45mm / 25 ~ 35lbs), purple heavy (40 ~ 50lbs); yoga exercise bands--yellow: 0.35mm / 15lbs, blue: 0.45mm / 20lbs,purple : 0.55mm / 25lbs.Professional Training:2 kinds fitness bands have 2 kinds professional instruction, which will help you get the right exercise. with other fitness bands different,our resistance bands set allows you to exercise your whole body anytime, anywhere.Service&and Guarantee: If you have any questions, please feel free to contact us, we will reply to you within 24 hours. We promise a 1 year warranty and 60 day money back guarantee for this booty bands.