Bst Yur Strength: We recmmend that athletes use tgether. Start yur wrkut with the thin fitness band. Then switch t the thicker fitness band when yu tire ut. Effectively lace a range f ver a dzen sets f dumbsPremium Chice: Nw enjy the eercise with eercise lp ! If yu have any questins, dn't hesitate t reach ut t us, and we'll prvide yu with a great slutinVersatility: 5 Fitness are Perfect fr All Fitness Enthusiasts, beginners, Great fr men and wmen. Add t hme equipment r an efficient htel rm wrkut while travelling, like assisted pull up, chin-ups, crss-training, pwerlifting, yga, . Yu can always add mre wrkut r fitness , based n yur galsDurable Natural drless: Pull up are made f 100% high-grade natural late with duble-layered tubing t ensure lnger durability, These are Nn-tic, drless, Anti-slip, ur Eercise imprve wear-resistant with lng-lasting elasticityPackage Included: 5 pull up , 1 carrying bag and 1 wrkut guide. are range 8-15 lbs, Red 15-35 lbs, Black 25-65 lbs, Purple 35-85 lbs, Green 50-125 lbs. Use these eercise t perfrm rws, pulls, raises, and fly wrkut sets t eercise yur arms, back, hips, legs, chest, and abdminal regin100% Natural Late