11.81" x 11.81" Plastic Interlocking Deck Tile in Gray (Set of 6) 6234RR/GL (5 boxes)

Open box, The color is gray, 6 tiles, 5 boxes of  6 tiles each= 30 tiles total.

See link for more details:

https://www.wayfair.com/home-improvement/pdp/winston-brands-1181-x-1181-plastic-interlocking-deck-tile-in-gray-wxva7417.html