Creators of the only Original "Lobster Inn". Our one way instert flap means "Guests check in, but don't check out". Let Keystone Dive Products equip you with catch products used by experienced divers. Our products can help novice and experienced divers on their undersea hunting ventures by giving you the proper tools for success! Our 'Inns' allow the hunter to capture the prey and safely retain their catch, without the fear of losing their precious catch every time the bag is opened. Our originally patented one-way flap ensures that the catch cannot escape until you are ready to remove it. Use our products to capture Lobster, Lionfish, clams, scallops and oysters.