This shelf must be fastened to the wall; the back panel has predrilled holes to make it easier. Different wall materials require different types of fixing devices. Use fixing devices suitable for the walls in your home, sold separately.
Suitable for both indoor and outdoor use. The included plastic feet protect the floor against scratching. http://www.ikea.com/sg/en/images/products/hyllis-shelving-unit__0217710_PE374967_S4.JPGHYLLIS Shelving unit, galvanisedhttp://www.ikea.com/sg/en/catalog/products/80278579/802.785.79IKEA$19.90