Come and see our amazing products. Our resistance bands work for anyone need stretching out those sore achy muscles after a workout and stiff ones for before the workout. You can use them to stretch out before deadlifts and squats. Resistance bands can used for multiple exercises, such as strength training, assisted pull-ups, basketball tension training, warm-ups etc. Pull up assist bands come in 5 resistance levels, and each color is different resistance and width for different purposes. Yellow Band (8 - 15 lbs); Red Band (15 - 35 lbs); Black Band (25 - 65 lbs); Purple Band (35 - 85 lbs); Green (50-125lbs). Pls confirm with us about the packing info, stock color and exact production time before placing your order.