If you have cupboards over your sink or somewhere a little hanging nook would be handy, take a look at the Top Dock! This suprisingly handy Dock can hold all sorts of things, from dishsoap to nail brushes or pot scrubbers. Wherever you need a bonus cubby that can hang from under a shelf or cupboard, the Top Dock is your best buddy!
Size-wise the Top Dock is 11.2cm wide, 6cm deep and 4cm tall. The width of your 'thing that goes in it' can be up to 6cm, length up to 8cm, height just a smidge under 4cm.