Features: Theresistancebandsaremadeoflatexmaterialandanti-locktechnology,eachwithalengthof28cm.2redbandswith20lbseachand2greenbandswith30lbseach. ExerciseMuscleEndurance:Enhanceleg,hipandcoremusclestoimproverunningspeed,verticaljump,mobilityandendurance.Thisishelpfulforpeoplewhowanttoincreasespeedandagility. Naturalrubberlatexinterchangeablestrapsareattachedtotheleg.Itfeaturesasolidmetalclipateachendtomakesuretheydontbreakduringexercise Perfectfortaekwondo,boxing,dance,basketball,baseball...