This product is designed to mount onto kayak/boat tracks using the t-bolt and nut included with the product. Additionally, it is also designed to fit a standard bungee cord used for stand up paddle boards (SUP) to firmly hold it onto your board. There are 3 notches on either side to allow you to hang your lures and tools as well! Made from PETG to withstand the elements. Fits standard cans with its 75mm diameter opening.