The tiles are small 15x15 quarry tiles, and the customer had specified bull noses, other options are always good to know to suggest to customers as an alternative
Look out for batch differences. When I worked for Topps Tiles we used to sell loads of quarry's with RE's (round edges) and REX's (2 x round edges, for corners) and we had a pain in the arse getting all three tile types for one job in the same colour.