The Bowl is perfect for large and Medium dogs. Made from non-toxic polyethylene the bowl is spill-proof for when you're on the road or if you just want to protect your floor. The Buddy Bowl has a inverted covering. It also stops water from evaporating easily so you don't have to continuously fill up your dogs bowl anymore. Measures 10" diameter, 5" high and with an approximate 4" reservoir hole for drinking. SPILL PROOF!!