I am looking for the round port/hatch cover for my Riot or Boreal Design Kayak

I am looking for the round port/hatch cover for my Riot or Boreal Design Kayak

The 6" round screw-on deck plate hatch cover can be ordered here and we ship to North America and Internationally.  
https://boutiqueborealdesign.com/collections/deck-outfitting/products/6-inch-deckplate-seaward

It fits the Riot Escape Duo, Duo Deluxe,  Mako 10, Mako 12, MKII, Boreal Design Compass 140, Halo 130, Pura 120, Storm series kayaks