Resistance Band Training Large Single Resistance Band Package Includes 1 Red  , 1 Black 13/16, 1 Purple 1 1/8, 1 Green 1  and 1 Blue 2 1/2 Inch wide resistance band Each band is a 41 inch continuously looped 15 layer Latex band Each band creates variable resistance ranging from 15 to 300 pounds of resistance Light weight, highly portable with unlimited total body exercise options Increase strength, flexibility as well as fat burning metabolic efficiency