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Title: Don't use the cups!
Review: I don't have this feeding set, but I wanted to find some place to warn others about Gerber sippy cups. I have owned two and my mother keeps some at her house and the valve doesn't stay in any of them. The first time my son bangs it on his tray or drops it, the valve pops out and the contents get slung out all over the floor or the furniture before I realize it. My advice: go for the Playtex sippy cups. The valve design is great and I never have a problem with leaks. Also, the lid has a notch that holds the valve so it stays with the lid in the dishwasher.
