My personal opinion is that the plastic frame tubing is horribly cheep and fragile. I am a big DIY and have a lot of finesse putting things together and 2 of the plastic pipes spit in assembly with almost no force from me. The plastic tubing doesnt hold together at all. When you try to take the plastic/vinyl cover off to change the litter half of the frame pulls off with it. You basically have to reassemble the whole thing every time you change your litter.