Moves with you.

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.

Product Features

• Compatible with all hydroflask Standard Mouth bottles
• The perfect companion for spontaneous campouts, epic road trips, and everything in between
• Durable, stainless steel pivots and an easy-to-carry strap
• Honeycomb Insulation™ to help keep your cold drinks cold and your hot drinks hot
• BPA and Phthalate-Free
• Lifetime Warranty
• Top rack dishwasher safe