Features: Made of TPU elastic polyurethane and stainless steel, you will forget you are wearing it Padded wristband protects your wrist perfectly. Easy to use, comfortable to wear. Adjustable size for wrists of different sizes. Ultra-light for carrying convenience. Specifications: Type: Bodyboard Leash Material: TPU, Stainless Steel Color: Black, Blue, Orange Size: About 5.5mm 4ft, 5.5mm 5ft(1ft=12inchs=30.48cm) Hardness(Shore):902 Specific Gravity(g/cm3): 1.20 Resilience(): 40 Ultimate Elongation(): >450 Tear Strength(N/mm): >80 Package Included: 1pc x Bodyboard Leash Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.