Resistance Bands, 15 Pieces Exercise Elastic Bands Set, 20lbs to 40lbs Resistance Tubes with Heavy Duty Protective Nylon Sleeves Anti-Snap for Fitness SUPALAK

MUCH HEAVIER RESISTANCE & IMPROVED TEN - Resistance from 20 LBs to 40 LBs, heavier bands with max tension compared with similar resistance workout bands. The metal carabiners on the resistance strap enable the user to add or remove resistance to create the perfect challenge for every muscle group. Challenge your limit.