blomus BORDA Oak Tray Small is a beautiful and practical wood tray for use to serve beverages, accent decorative pieces on tables or shelves or keep countertops organized. blomus oak cutting boards and trays are made of untreated oak. This makes for a very natural and classic appearance. blomus recommends the wood be treated with oil if the item is used with foods to protect the wood against discoloring and prevent food odors and bacteria from attaching themselves to the surface.