The only spill proof system in the world that does not require sucking to operate. The spout provides a natural drinking action which is similar to that used in breast feeding.
By allowing children to control the flow of liquid naturally it helps to reduce the risk of dental problems. The soft spout is durable yet gentle on children teeth and gum, yet long enough to ensure liquid is delivered to the back of the mouth, minimizing contact with growing teeth. "A gentler alternative for your child."
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