Skelcore's resistance bands are an easy-to-carry full-body lightweight, and portable outdoor workout tool. Use our stretching bands for flexibility and muscle toning, such as pull-up assistance bands, pt bands, yoga, and Pilates band for increased strength and flexibility. Achieve your best body and tone up your abs, arms, shoulders, legs, and booty with our premium home workout equipment. Our resistance bands for men and women by level and suggested exercise bands - Light resistance- Light blue * 81" x 1.25" x 0.17" * Resistance strength of 4.4-33lbs (2-15kgs) Medium resistance - Green * 81" x 1.25" x 0.17" * Resistance strength of 11-48lbs (5-22kgs) Heavy resistance - Dark Blue * 81" x 1.25" x 0.17" * Resistance strength of 26-85lbs (12-39kgs)