Whites Wires Bird Netting (1.3cm) is an economical, small aperture and light duty netting, ideal for use in bird enclosures, as a guard against vermin, and also popular for craft use. It is easy to shape and mould. Wire is made from galvanised steel wire for strength and additional protection from the weather . Wire diameter is 0.56mm for light duty applications, with a hex aperture of 13mm.