These bowls are great! Easy to use but don't put them on upside down or the cup will fall through! Easily clamps onto various surfaces and different types of cages. I love the stainless steel-it's so easy to keep clean.
I fastened the screw on clamp to the side of the cage, placed the bowl into the holder,filled the bowl with water, the bowl fell through the holder. So much for that.
;)
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