YouTube "vlogger" ZooBoosShedZoo puts our STAYbowl™ to the test with her EIGHT guinea pigs (!) in this latest review. She finds the bowl not only keeps the piggies from dumping the kibble, it also works really well for water. Check out the full review here:
https://www.youtube.com/watch?v=NaNoOB5joUA
You might also want to check out her UK shop with many handmade products for guinea pigs!