A traditional & effective device for the humane trapping of rats or similar sized pests this 37.5cm L x 18.5cm W x 16cm H Humane Rat Cage traps rodents unharmed. A spring-loaded front entrance is triggered when the intruder takes the bait safely trapping it inside & the secondary one-way entrance allows trapping of further pests. Rats have a grouping instinct & it is not uncommon for 2 or more rats to be caught at the same time.