Alessi Op-la Table with Removing Tray, Dark Grey by Alessi. $430.00. Tray/table, base in stainless steel, top and tray in ABS. Approximate size: 19" X H.20.5". Vassoio/tavolino, base in acciaio inossidabile, piano e vassoio in ABS, white. Designed by Jasper Morrison. Interactivity, solutions for two objects which can be brought together: "Op" is a tray; "Op-la" turns into a table-tray with a stainless steel base.