Fitness-Mad\'s Power Resistance Loop bands enable you to work out almost anywhere. The specially designed, heavy duty resistance bands are perfect for strengthening muscles and core conditioning as well as rehabilitation exercises. Available in five different strengths. Resistance Levels Red - Extra Light Black - Light Light Blue - Medium Green - Strong Dark Blue - Extra Strong Caution: This product is made of latex. Do not use if you suffer from a latex allergy. SPECIFICATION: Brand Fitness Mad Usage Home Use, Commercial Use Condition Brand New