Long-term use can beautify the human body curve, strengthen muscle lines, especially the the upper arm muscles. It also has a strong fitness effect. Not only can it thin thighs, waist, strengthen biceps, it can also treat muscle soreness. This fitness band can strengthen the function of other body parts, and eliminate excess body fat layer, so that your figure will become more fit. Features: Great for home-based strength training. Allows you to tone and sculpt every muscle group. Both for men and women. Made from natural rubber latex. Tensile force varies with color. Specifications: Color: Green(40lb), Black(35lb), Blue(25lb), Yellow(20lb), Red(10lb) (optional) Material: Latex Rope length: 1.2m / 3.94ft Product weight: 116~166g / 4.1~5.9oz Package List: 1 * Resistance RopeLong-term use can beautify the human body curve, strengthen muscle lines, especially the the upper arm muscles. It also has a strong fitness effect. Not only can it thin thighs, waist, strengthen biceps, it can also treat muscle soreness. This fitness band can strengthen the function of other body parts, and eliminate excess body fat layer, so that your figure will become more fit.Features:Great for home-based strength training.Allows you to tone and sculpt every muscle group.Both for men and women.Made from natural rubber latex.Tensile force varies with color.Specifications:Color: Green(40lb), Black(35lb), Blue(25lb), Yellow(20lb), Red(10lb) (optional)Material: LatexRope length: 1.2m / 3.94ftProduct weight: 116~166g / 4.1~5.9ozPackage List:1 * Resistance RopeLong-term use can beautify the human body curve, strengthen muscle lines, especially the the upper arm muscles. It also has a strong fitness effect. Not only can it thin thighs, waist, strengthen biceps, it can also treat muscle soreness. This fitness band can strengthen the function of other body parts, and eliminate excess body fat layer, so that your figure will become more fit.Features:Great for home-based strength training.Allows you to tone and sculpt every muscle group.Both for men and women.Made from natural rubber latex.Tensile force varies with color.Specifications:Color: Green(40lb), Black(35lb), Blue(25lb), Yellow(20lb), Red(10lb) (optional)Material: LatexRope length: 1.2m / 3.94ftProduct weight: 116~166g / 4.1~5.9ozPackage List:1 * Resistance RopeLong-term use can beautify the human body curve, strengthen muscle lines, especially the the upper arm muscles. It also has a strong fitness effect. Not only can it thin thighs, waist, strengthen biceps, it can also treat muscle soreness. This fitness band can strengthen the function of other body parts, and eliminate excess body fat layer, so that your figure will become more fit.Features:Great for home-based strength training.Allows you to tone and sculpt every muscle group.Both for men and women.Made from natural rubber latex.Tensile force varies with color.Specifications:Color: Green(40lb), Black(35lb), Blue(25lb), Yellow(20lb), Red(10lb) (optional)Material: LatexRope length: 1.2m / 3.94ftProduct weight: 116~166g / 4.1~5.9ozPackage List:1 * Resistance RopevLong-term use can beautify the human body curve, strengthen muscle lines, especially the the upper arm muscles. It also has a strong fitness effect. Not only can it thin thighs, waist, strengthen biceps, it can also treat muscle soreness. This fitness band can strengthen the function of other body parts, and eliminate excess body fat layer, so that your figure will become more fit.Features:Great for home-based strength training.Allows you to tone and sculpt every muscle group.Both for men and women.Made from natural rubber latex.Tensile force varies with color.Specifications:Color: Green(40lb), Black(35lb), Blue(25lb), Yellow(20lb), Red(10lb) (optional)Material: LatexRope length: 1.2m / 3.94ftProduct weight: 116~166g / 4.1~5.9ozPackage List:1 * Resistance RopeLong-term use can beautify the human body curve, strengthen muscle lines, especially the the upper arm muscles. It also has a strong fitness effect. Not only can it thin thighs, waist, strengthen biceps, it can also treat muscle soreness. This fitness band can strengthen the function of other body parts, and eliminate excess body fat layer, so that your figure will become more fit.Features:Great for home-based strength training.Allows you to tone and sculpt every muscle group.Both for men and women.Made from natural rubber latex.Tensile force varies with color.Specifications:Color: Green(40lb), Black(35lb), Blue(25lb), Yellow(20lb), Red(10lb) (optional)Material: LatexRope length: 1.2m / 3.94ftProduct weight: 116~166g / 4.1~5.9ozPackage List:1 * Resistance Rope