In the bathroom: Trones boxes fit into tight corners to provide a little extra storage. These little guys can go pretty much anywhere. How To Use IKEA Trones Storage Boxes in Every Room of the House — From the Archives: Greatest Hits
from Apartment Therapy's Annual Guide 2014 - IKEA's TRONES shoe storage cabinets can be used anywhere in the house — including grouped together in the entry, as in this setup seen on Dekorum. TRONES shoe storage cabinet, for from IKEA.