IKEA - MICKE, Corner workstation, white , You can keep your desk clear of paper by writing your notes on the magnetic writing board on the back panel. Or fastening your to-do lists there with a magnet.You can adjust the shelves to fit different thing
IKEA KASSETT box with lid: black. 10 ¾" wide ¾" deep x tall. Roughly Would fit two across and probably 2 deep on BESTA shelves. They do not appear to be available online from IKEA, so I'd have to go to Charlotte to buy them.