4 Colors & Resistance Level -- 4 different soft colors of 4 different strength levels in this fitness band set - pink (15lbs), blue (25lbs), green (35lbs) and grey (50lbs),each band has a clear resistance mark on it so you can quickly definitely distinguish th resistance range you need.We make each tension band two different kinds of resistance through the unique design, and the resistance will be increased by 5lbs on the marked poundage when used on narrow side Ultra Durable Quality -- Unlike latex bands or , this resistance bands are innovatively made of silicone material, they are durable, comfortable, environmentally suitable and skin friendly and never break like latex do. The elasticity also becomes very long-lasting with this material, and still remains unchanged after a long time of use. Won't Pinch Bare Legs -- Use our workout bands over clothes or directly on your skin. Since the grippy silicone material and broad width they won't pinch your skin, won't curl in using,making them great mini bands for working out in any outfit.And they are very comfortable to use, flat and not tight, and the appropriate width prevents sharp pressure on the muscles. Perfect exercise bands for legs, hip circle bands, hip bands, squat bands and leg resistance bands. Small and Light -- Our Exercise resistance bands will fit into your gym bag, backpack or even a purse. Resistant bands for exercise workouts at the gym, at home, at the office or while travelling.Exercise such as Squats, Lunges, Crunches, Straight Leg Raises and Leg bands for working out butt, glutes and more.If you want to carry them all, the set also comes with a bag that simply put them in and carry to the gym.