strong yet flexible, our Standard Mouth Flex Cap is the perfect companion for spontaneous campouts, epic road trips, and everything in between. Made with stainless steel pivots and an easy-to-carry strap, this cap has Honeycomb Insulation™ to help keep your drinks cold for up to 24 hours or hot up to 12. Pair it with any of our Standard Mouth bottles.
- Compatible with all Standard Mouth bottles
- Honeycomb Insulation™ helps keep cold drinks cold and hot drinks hot
- Durable, stainless steel pivots allow the strap to move easily
- BPA-Free and Phthalate-Free