With buckles of a lightweight anodized aluminum alloy, the Sea to Summit 20mm Accessory Straps will be one of the most versatile items in your gear bag. A few of the Accessory Straps uses include strapping gear to roof racks, lashing dry bags together and attaching gear to your pack. They are available in two widths (3/8 in and 3/4 in)and three lengths (40 in/1 m, 60 in/1.5 m, and 80 in/2 m). Features: Strap gear to roof racks Lash dry bags together or onto a deck Use to attach gear to your pack Lightweight anodized aluminum alloy buckle See also the Accessory Straps with Hook Release Specs: Size Variation: 2 M/80" Length: 80"/2M Width: 3/4"/20mm