Sold Individually. Designed to provide resistance and give assistance. These power bands are extremely versatile and can be used in various strength training exercises. Each Power Band is made to withstand even the harshest conditions. They can be used in strength training, flexibility or body weight exercises. Each Power Band is 41 inches in length. There are 7 color-coded bands, to choose from that vary in width, thickness and overall resistance to provide you the variety you need for each unique workout. Color Dimensions Resistance Orange 41in x 0.25in x 4.5mm 2 - 10LB Red 41in x 0.5in x 4.5mm 5 - 25LB Blue 41in x 0.75in x 6mm 10 - 35LB Green 41in x 1.25in x 4.5mm 30 - 50LB Black 41in x 1.75in x 4.5mm 50 - 85LB Purple 41in x 2.25in x 4.5mm 80 - 100LB Grey 41in x 4in x 4.5mm 100 - 200LB 90 Day Warranty