Standard Mouth Ring Cap


Out of stock

SKU: SM-flask-RC Category:


From mountain trails to morning yoga classes, our Standard Mouth Ring Cap makes all your adventures better. . Designed for everyday use, as well as the rigors of the outdoors, our Ring Caps provide a leak proof drinking experience.

Our water bottles were developed to perform in every environment. Each Hydro Flask is hand cast from double wall vacuum insulated food grade 18/8 stainless steel, therefore they are BPA-Free and resistant to bacteria and odors. Our double wall vacuum insulation technology allows Hydro Flasks to keep contents hot for 12 hours and cold for 24 hours.


  • Compatible with all Standard Mouth bottles
  • Insulated for enhanced temperature protection
  • BPA-Free and Phthalate-Free


2 Cups Green Tea Hawaii | NC SC VA MD