Have you ever seen those scuba divers at the river or lake? Know what they are doing? They are looking for all the stuff that has been either dropped at the boat launch or blown off the boat when they get out there and let it rip! Believe me! There is a huge stash down there! That "stash" includes keys! Do not let that happen! If your business is Marine Retail, this is the perfect, awesomely cost effective promotional product! Your logo is welcome!