Black Mountain Products Resistance Band Set with Door Anchor, Ankle Strap, Exercise Chart, and Resistance Band Carrying Case Product Features - Resistance bands are made from high quality, natural latex material to ensure long life - Training with resistance bands may assist with rehabilitative exercises; also ideal for travel - Includes five bands of varying resistance (yellow = two-to-four pounds, green = four-to- six pounds, blue = ten-to-12 pounds, black = 15-to-20 pounds, and red = 25-to-30 pounds) - Also comes with cushioned foam handle, door anchor, carrying bag, ankle strap, and starter guide - Includes limited 90-day manufacturer's warranty Product Description Black Mountain Products resistance bands and resistance band sets are made from the highest quality, natural latex material to ensure maximum life. We guarantee our exercise bands quality and offer a 90-day, no-questions-asked policy on all of our products. Each resistance band set comes with a soft cushioned foam handle for maximum comfort during exercise. Our resistance tubes are an excellent alternative to free weights, workout machines and traditional body weight exercises. Training with Black Mountain Products resistance bands is the perfect tool to help repair torn rotator cuff, elbows, bad knees and general rehabilitation. Best of all, our products are durable -- perfect for travel; in a hotel room, home or office. Workout when you want, anytime, anywhere. Combine Black Mountain Products resistance bands with p90X, Turbo Jam, Insanity or any other home workout routine and the results will speak for themselves! There's a lot of good reasons to choose resistance bands to exercise... -good for home workouts -great for traveling (some gyms in hotels are just pitiful); these are very portable -great to use with exercise videos (a lot of ex. DVD's have you use bands) What will they do for you? -tone your muscles -help you burn a few calories -make your muscles stronger -make your bones more dense Why choose these particular ones? -they're pretty sturdy -come with a door attachment -exercise charts included -most find the handles comfortable -offer different bands with varying levels of difficulty -reasonably priced Disadvantages? -if you look like the incredible Hulk, you're probably not going to get enough of a workout -some might find them hard to work with -some might not like the "feel" of them as they do an exercise All-in-all they're a great exercise tool to use to help you get in shape, prevent injuries, or even rehabilitate one (you see these in physical therapy clinics a lot). And don't forget, once you get comfortable using a given color, move up to the next harder band if you want to keep getting stronger. Also recommend Treat Your Own Tennis Elbow if tennis elbow is interfering with your workouts.