Iron Core Athletics Pull-Up Assist Band Set - 4 Pack of Pull Up Assistance Bands - #1, 2, 3, 4 &ndash; Provides 5 &ndash; 180lbs Resistance/Assistance Pull Up assist Band set #4, #3, #2, and #1 Combo Pack -- Purple Band 1 1/8" Wide -- Black Band 3/4" Wide -- Red Band 1/2" Wide -- Small Orange Band 1/4" Wide Great for Assisted Pull Ups, Power Lifting, Crossfit, Yoga, Stretching as well as any other body weight assist exercises Purple Band Provides 40 - 80lbs of resistance, Black Band Provides 30 - 50 lbs of resistance, Red Band Provide 10 - 35 lbs of assitance, Small Orange Band Provide 5 - 15lb of resistance Professional Quality 100% 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!! Small OrangeBand (#1) 1/4&#034; wide -- (5- 15 lbs assistance / resistance) 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) 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