I’ve noticed how messy the area around our hamster cage can be and so I slid this old cardboard box lid underneath to be used as a catch-all tray:

Not aesthetically pleasing, but functional.  Until today, that is.  While de-cluttering the basement, I came across an old roll of contact paper and I instantly knew what I could do with it:

Yup, I’m reusing an otherwise non-functional piece of cardboard and some leftover contact paper to make the best-looking pet cage tray in town!