This custom made 20mm SeaDek foam dash pocket is 3M adhesive backed to easily peal and stick (not to be portable after stuck to surface.) Apply to any smooth flat surface and is perfect to hold valuables on boats. We stick ours on the top and center captain helms of boats to hold electronics and valuables like smartphones, keys, pens, tools, wallets and more! Easily charge your devices with the charger cord passthrough design.