The Tomahawk 306NC Cat Transfer Cage is a transfer cage used for feral cats and other pest animals of similar size. This model includes an easy release sliding door designed for easy transfer of animals from a cage trap, a bottom tray for the comfort of animals' feet, extra-large double handles, and an extra-large hand guard. The Tomahawk 306NC Cat Transfer Cage is built from 1 x 1 inch 14-gauge steel mesh and measures 20 in. L x 11 in. W x 12 in. H.
I was able to do a self TNR with 3 feral kittens I've been feeding. I purchased the drop trap, one transfer cage and 2 plastic carriers. If you can afford it I would recommend buying as many transfer cages as you have cats to avoid them getting spooked during cage transfers!