Target Pest: Rats & mouse Size: 5.5" x 3" Trapper T- Rex Snap Traps are easy to use made out of plastic rat trap. Compared to other rat traps its easy and safe to use. Just simply place the trap along the wall or where the infestation is present. To dispose simply pinch the two end together and the rat will be released as well as the trap already being reset and ready to use.We recommend that you use Provoke a Rat Bait Gel with this device.