Pull-Up Assistance Bands - set of 4 Assisted Pull Up Bands - #2 Red, #3 Black, #4 Purple, #5 Green &ndash; Provides 10 &ndash; 285lbs Resistance / Assistance Pullup Assist Band #5, #4, #3 and #2 Combo Pack -- Green Band 1 3/4" Wide -- Purple Band 1 1/8" Wide -- Black Band 3/4" Wide -- Red Band 1/2" Wide Great for Assisted Pull Ups, Power Lifting, Crossfit workouts, Yoga, Stretching as well as any other body weight assisted exercises Green Band -- Provides from 50 - 120lbs of resistance, Purple Band Provides 40 - 80lbs of resistance, Black Band Provides 30 - 50 lbs of resistance -- Red Band provides 10 - 35 lbs of resistance Professional Quality 100% Natural Latex Material -- Length : 41" Loop -- Thickness 3/8" -- These bands are designed for everyday use and are favorites of Commercial Gyms and Personal Trainers All Iron Core Athletics Exercise Bands come with an Industry leading 2 year warranty - We Stand behind our products 100% -- If you aren't satisfied with the quality of our products we will fix it, GUARANTEED!! Red Band (#2) 1/2&#034; wide -- (10 - 35 lbs assistance / resistance) Black Band (#3) 3/4&#034; wide -- (30 - 50 lbsassistance / resistance) Purple Band (#4) 1 1/8&#034; wide-- (40 - 80 lbsassistance / resistance) Green Band (#5) 1 3/4&#034; wide -- (50 - 120 lbsassistance / resistance) These are 41&#034; Loop Bands made of 100% Pure Latex material All bands are 3/8&#034; thick Resistance / Assistance varies with width of band (see chart above) Indoors or Outdoors -- Ready to go in seconds Easy to Use -- Loop band over bar and your ready to go Get an awesome workout,any time, any place Compact and hardly take any room in a gym bag or luggage Use individually or together to provide additional assistance Iron Core Athletics is a proven brand with a proven record of top quality