Upgrade your Nalgene with a cap that will turn your wide-mouth opening into a comfortable drinking spout! Designed to work with the Nalgene wide-mouth bottles while still enjoying the aspects of BPA-free, PC-free and Phthalate-free!
Wide Compatibility : Fits Hydroflask, CamelBak, Nalgene and other popular wide-mouth bottles.
Open Sesame : Rubberized grips make it easy to twist open even with gloves on!
Store your cap : CapKeeper notch holds the small cap in place while you drink.
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