This southern Homewares brand mouse trap is a formidable foe you can deploy against those pesky home invading rodents! classic wooden base with wire spring snap design has been proven time and time again as one of the most effective ways to eliminate mice. This trap has a larger expanded cheese shaped plastic trigger to make sure any mice running by are able to easily set off the trap. Simply add bait to the trigger and you now have a potent and effective mouse exterminating machine! pack of 20 traps. Each trap measures 4′ x 1.8′ X .6′.