Review on Never Spill A Drop With STAYbowl'S Tip-Proof Ergonomic Pet Bowl For Small Pets - 1/4 Cup Spring Green Size by Lisa Jenkins

This is by far the best spill-resistant bowl I've tried for my guinea pigs. I only have 2 complaints: 1) that the size of the cup was bigger, I'm having to refill the bowl throughout the day (though it's still better than them dumping out the food lol); and 2) that it's easy enough that one of my guinea pigs was able to figure out the trick and flip the bowl across the cage anyway. I use paper bedding for them and within minutes of putting the bowl in the cage he had dug up around the edges of the bowl and was trying to flip it lol! His name *IS* Einstein, though so I guess I should expect that. ;)Still, by far the best bowl for naughty piggies that I've found, and so far has saved me what I spent a few times over in reduced food dumping.