What makes a good spillproof sippy cup?
After experimenting with multiple spillproof sippy cups, I have learned to look for the following features: 1. one-piece valve multi-piece valves are virtually impossible to clean adequately. 2. air intake hole(s) cups that lack air intake holes are more difficult to suck liquids out from, since it is hard for air to get back into the cup to take its place. 3. comfortable spout cups with oddly-shaped spouts are more difficult for the child to suck from How Playtex Spillproof Sippy Cups measure up While the original Playtex spillproof cups featured a plastic valve with springs and rubber stoppers that was nearly impossible to clean, they have long since switched over to an easy-to-clean, one-piece silicone valve. (Anyone who is still using cups with the old valves can buy replacement valves separately most places where the cups are sold.) Playtex spillproof cups are among the few spillproof cups to feature an air intake hole. They maintain their spillproof nature by having the valve cov
