Black Mountain Products (B.M.P.) Resistance Bands are made from the Highest Quality Natural Latex Rubber to a ensure maximum life. In addition, as the manufacturer Black Mountain Products GUARANTEES your bands will arrive at your door as fresh as possible and the highest quality possible. This New set of 5 resistance bands include (Beginner to Expert) 1 Yellow band (2-4 Lbs), 1 Green band (4-6 Lbs), 1 Blue Band (10-12 Lbs), 1 Black Band (15-20 Lbs) and 1 Red Band (25-30 Lbs) that are 48 inches long AND 1 door anchor. EACH of these resistance bands are designed with a soft cushioned foam handle for comfortable grip during exercise routines. Black Mountain Products Resistance Bands are a Great Alternative to free weights or any workout machine. Training with Black Mountain Products Resistance Bands is the perfect tool to help repair torn rotator cuff , elbows, bad knees and general rehabilitation. In addition these resistance bands are compact and Portable. This allows you to workout anywhere! Combine Black Mountain Products Resistance Bands with P90X or any other home workout routine and the results will speak for themselves.