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Title: hard to clean & reassemble
Review: The lid has to be taken completely apart to clean, 4 pieces total. Ok, I can deal with that. You have to snap it back together carefully and as close to perfectly as you can get, or it leaks. Even if you get it back and it doesn't leak around the sippy, once it's used, it leaks around that little air hole for venting. I pour out any milk left over immediately, so it doesn't sit. Soaks in detergent and hot water, then washed in the dishwasher. Smells sour, the silicone ring around the underside of the rim is basically impossible to clean. It's nasty smelling. We don't use it anymore. If there's a sour smell, there must be bacteria?!! What a disappointment.
