5 colored resistance bands: yellow (10 lbs), blue (20 lbs), green (30 lbs), black (40 lbs), red (50 lbs). All exercise bands can be used alone or stacked in any combination up to a maximum equivalent of 150 lbs. Multi-function and portable: Our resistance bands can apply to different types of exercises. Perfect for exercising your arms, back, shoulders, legs, chest, abdomen, etc. Premium Materials: The exercise bands are made of 100% natural latex. Strong wear resistance and perfect elasticity, steel metal buckle for stronger resistance, non-slip handle, comfortable and absorbent. Personal Home Gym: This resistance band set includes five exercise bands, two padded handles , two ankle straps and a door anchor so you can enjoy a full body workout at home. 100% Satisfaction: Each exercise band is carefully constructed to resist breaking. Please let us know anytime if you are unhappy with the resistance bands, we will be happy to resolve it for you.