JIAHCN ACF 4 Exercise Bands - Resistance Loop Bands for Fitness and Stretching Workouts CHECK OUT SPECIAL PROMOTIONS IN THE PROMO AREA BELOW... 4 easy to use, labeled resistance bands that range from light to x-heavy to meet your resistance needs! PROFESSIONAL GRADE WORKOUT BANDS: Includes Four (4) Easy to use color coded bands with Light (Blue), Medium (Red), Heavy (Green), & X-Heavy (Black) progressive Levels of Resistance. FREE BONUS: Buy today and receive a free exercise training e-book with step-by-step illustrated exercises and free access to our online exercise videos. UNMATCHED DURABILITY AND TOUGHNESS: Every resistance band is laboratory tested to ensure we're offering the highest quality loop bands. The ONLY brand that is tested so rigorously LIFETIME, NO QUESTIONS ASKED, 100% MONEY BACK GUARANTEE: If you can't honestly state that this product isn't the best ab belt you've ever owned, then we don't deserve to keep your money.