The phrase "small wire" refers to a thin and slender piece of metal usually used for electrical connections or holding things together. Full definition
Dogs bred in these facilities tend to live in small wire cages with little or no attention, no exercise and mostly lack of veterinary care. (hsi.org)
At puppy mills, the dogs are kept in small wire cages for years on end solely to produce puppies for commercial sale in pet stores and over the Internet. (humanesociety.org)
Hang small wire baskets above your desk and use to store essentials within easy reach. (idealhome.co.uk)