Spill-proof cap transforms an adult-size drink bottle into a kid's sippy cup
A unique product from One Step Ahead transforms an ordinary plastic bottle of drink into a spill-proof cup in a jiffy. Perfect for when there’s a screaming child in the back seat of the car and all you have is an adult-size water bottle. The screw-on caps attach to most leading brand water and wide-mouth juice bottles (15.9oz and greater) and are spill-proof and leak-proof.
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