Dinly Products Resistance Band Set with Door Anchor, Ankle Strap, Exercise Chart, and Resistance Band Carrying Case Fitness Exercise Bands are made from high quality, double layer, natural latex material to ensure maximum life and safety during use. Features metal clipping system on bands for attaching to soft-grip handles or ankle straps.Any band can be used together at one-time to create multiple levels of resistance.Fitness Power is best for Professional Adults - Men - Women - Children - Kids - Boys and Girls looking for an Effective Calorie Burning, Muscle Building and Fat Shredding Workout Program. Thick stretch bands of varying weight levels gives you the flexibility to customize the intensity of your workouts. Bands Include: 5 Resistance Bands: Yellow 2-4lbs, Blue 4-6lbs, Green 10-12lbs, Black 15-20lbs, Red 25-30lbs We offer a BETTER than money back guarantee, if there is an issue with your product for any reason we will REFUND you and SEND YOU A NEW ONE