gini - plexiglass - that's an interesting idea - guess you can buy it at Walmart and places like that. How does the plexiglass work out under the cat box though - right now when the little paws get out of the litter box I have a trail of litter into the hallway - vaccuming is a must - every day. Any idea on a wipe your paws idea to help take the litter off when they get out of the cat box