SMJ EX003 Resistance Band Set 5pcs. Properties: This set is recommended for people practicing various sports at any level. It allows you to perform whole-body strengthening training by adjusting the load to individual muscle groups and strength. Training with the use of bands properly shapes the body and affects mobility. The set includes a handy transport bag. 5 gums in a set. Technical data: · Thickness: 0.35 mm blue; 0.5 mm yellow; 0.7 mm orange; 0.9 mm red; 1.1 mm black · Width: 5 cm · Circumference: 60 cm