Interested in incorporating resistance bands into your workout but are turned off by their low resistance level? Well now ProSource Fitness has the resistance bands for you! These new ProSource XTREME resistance bands range 25-40 pounds of resistance! Don"t be fooled by the imitators, get that beach body you always wanted courtesy of Source Fitness! All the bands measure 48 inches, and include cushioned foam handles to ensure a secure, comfortable grip. Plus, the bands come with a convenient door anchor, so you can do your exercises anywhere in the house. Resistance bands are a great alternative to free weights and workout machines. They are also perfect for all types of physical therapy including rehabbing torn rotator cuffs, bad elbows, and damaged knees. This resistance bands set is light and compact enough to travel with you anywhere and supports some of the latest workout routines, including but not limited to P90X, CrossFit, Slimin6, Insanity and TurboJam. Don"t buy cheap knockoffs. Train like a Pro, train with ProSource™ Purple: 25-30lbs Navy: 30-35lbs Brown: 35-40lbs