We have in the attic for weeks roommate. Important for us, not to kill the animals or injure. With this intention, it is not easy to find the right case. If you read the reviews, then you find injured animals, through the door or through sharp-edged parts. I have ordered from Amazon before this case three others. All throughout the ideealen Feeder for the mice. A triggered not at all, from the other food was brought out since. Now the next attempt with this case. Ordered, after two days she was there. I admit, at first glance I was skeptical. Tension, too, was something that should be treated with caution. (On the first attempt almost ie fingers were inside) asked the case with tasty cheese in the attic and .... after 30 minutes, we heard a loud noise. Trap, mouse inside :-), the second morning after 5 minutes. Mice exposed. Conclusion, the case is just great. Let's see how many we have captured. Whether the event lasts long, I can not say, but for the price, performance, full 5 stars!