DESCRIPTION OF EXTENDABLE CORNER SHELF: Floor to ceiling chrome-plated metal unit attached by spring system, No nails or screws necessary, 4 corner shelves (size of one shelf: 22 x 22cm). Ready to assemble with instructions included. Extendable corner shelf for the bathroom. Extends from floor to ceiling from 150 to 250cm maximum. It is easy to adjust to your size requirements & is quick & easy to fit.