Instruct: Classify a given Amazon review as either positive or negative.
Query: Complete disappointment

Unfortunately I purchased this item and fitted it after some difficulty. I have smaller, vinyl door. No matter what you try the doorlock will not function with the given hardware. Even more disappointing was the poor quality of the door itself. The plastic insert was too small to block the entry hole when inserted and our dog just knocked it out of the hole and ran straight through it as if it was not there. I eventually had to package it up and return it, itself no small task. The Customer Service guy was very nice and helpful, but no hint of an apology for the trouble I had to go to.