Rokstraps use a proprietry stretch natural rubber core that is UV and marine resistant which is then sheathed with a tough UV polyester outer brading. Rokstraps are perfect for securing loose loads and much more! � Colour :Black with green stripes. � Adjustables all have one piece stretch 300 x 25mm lengths � Adjustables all have connector buckle and come with webbing to achieve 1500, 3000 or 4500mm lengths � 25mm core � Fully stitched re-inforced hook ends � Double shank steel hook ends are plastic coated for greater safety � Size Range 1500, 3000, and 4500mm lengths