Rodent Animal Mouse Humane Live Trap Hamster Cage Mice Rat Control Catch Bait Material : Iron, Color : Black Size : 11 x 23 x 11cm (L x W x H) Package Includes : 1 x Humane Rat Pest Trap Suggest you can place the trap to somewhere rats are running, or you can cover grass on the mouse cage who use outdoors, making the rat confused and easily to be trapped.