These "Havahart® X-Small 2-Door Traps" and the "Havahart® X-Small 1-Door Traps" are GREAT. I love them. So far in the last 30 days these traps have captured 33 chipmunks. I've got 3 of the X-Small 1-Door Traps and just received 3 more of the X-Small 2-Door Traps giving me six of the X-Small 2-Door Traps. I live in town with a very small woods next to me. Seems to be a great area for chipmunks. They were always digging in the yard and under the deck. I see them running along the side of the house, the side of the shed, and running along the fence row. So, that's where I put the traps. I don't use any bait, just wait for them to try and scamper through. In addition to the chipmunks, these traps have captured a bunch of mice, several rabbits, a few squirrels,and a few shrews. As I said before, I love these traps. A quick ride down to the big city park, and they all have a new home. I've noticed a lot less damage and mess around the house left by these animals, and the wife is very happy that her plants aren't being eaten, so much, any more. If you have problems with critters of ANY kind I highly recommend these traps. They have traps for most any animal you may want to relocate.