Sizes: Available in four inner/outer diameter combinations from 4x6mm to 8x12mm. Lengths: Offered in 1m, 3.0m, and 5m lengths. Elasticity: elasticity and good toughness for performance. Use: Suitable for medical transport, fitness pulling cords, bundling, and hook applications. Application: Widely used in competitive rubber tubes, fitness rubber tubing, and special rubber bands., Manufacturer: NPwtpndf