Single Box of tiles, Covers 16 square feet. Use converter on Wayfair page (Link below) to determine coverage. In box item.
Item # 8145T
https://www.wayfair.com/Armstrong-Flooring--Alterna-Reserve-Allegheny-Slate-8-x-16-Engineered-Stone-Field-Tile-D533-L2970-K~AXR6545.html?refid=GX433639646809-AXR6545_34425026&device=c&ptid=903345549058&network=g&targetid=aud-354999624431:pla-903345549058&channel=GooglePLA&ireid=40760342&fdid=1817&PiID%5B%5D=34425026&gclid=EAIaIQobChMI-diV8_DH6QIVEr7ACh0mrg5UEAQYASABEgLaFfD_BwE&piid=34425026