Furinno RFitness Professional Training Resistance Band 4-PC Set, RF1501 Latex Imported Professional Strength used by professionals: highly durable with superior tearing/snapping resistance. COLORED English/Spanish Exercise Wall Chart included with 21 categorized exercises for a full body workout. Versatile, adaptable to multiple fitness levels from Beginner to advance level. Our 6.5-ft long flat bands can be doubled up or used together to increase resistance. See Table on Product leaflet for instructions. Loop bands are NON-molded and made with a unique layering technique that makes them stronger and more durable than their molded counterparts. Lightweight & perfect for travel PVC travel zipper pouch included. Lifetime Guarantee.