This resistance band adopts pure natural latex material and assists fitness enthusiasts to do resistance exercise. This band is very suitable for arm or leg strength enhancing activities, helping you to keep fit. * #1 | 1/2" | Red | 15 to 35 Pounds 2080mm*13mm*4.5mm * #2 | 3/4" | Black | 25 to 65 Pounds 2080mm*21mm*4.5mm * #3 | 1 1/4" | Purple | 35 to 85 Pounds 2080mm*32mm*4.5mm * #4 | 1 3/4" | Green | 50 to 125 Pounds 2080mm*45mm*4.5mm * #5 | 2 1/2" | Blue | 65 to 175 Pounds 2080mm*64mm*4.5mm Package include: 1*Resistance band Note: Due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. Made from premium quality natural latex, non-toxic harmless. Suitable for body builders and sport fans to take outdoor exercises, gym and home exercises. Perfect for crossfit, Yoga & Fitness Classes, pull-ups, biceps curls, calisthenics, stretching, weight training etc. Often used, it can effectively strengthen the muscles, improve balance and flexibility. Maintenance, storage and preservation are simple and easy.