17mm TPU rope with great elasticity and strength for safe use. 2Steel swivel connecting for smooth rotating and prevent tangling around your leg. 3Soft padded ankle cuff with fastener tape for easy and quick on/off. 4Easy attach to your surf board. Easy to wear on and take down with fastener tape and various length available. Feature: 7mm TPU rope with great elasticity and strength for safe use. Steel swivel connecting for smooth rotating and prevent tangling around your leg. Soft padded ankle cuff with fastener tape for easy and quick on/off. Easy attach to your surf board. Specification: Material: TPU + Steel + Nylon Color: Green / Yellow / Red / Black (optional) Length: 6FT / 8FT / 10FT (optional) Rope dia.: 7mm Package weight: 165-230g / 5.8-8.1oz Package list: 1 * Surfboard Leash 1 * Surfboard Leash