Flip-top lid for easier use on-the-go.Montbell says:Open with one hand and enjoy quick and easy hydration on the go with a flip top lid. Compatible with the Alpine Thermo Bottle 0.75L and 0.9L.Our VerdictMontbell’s Alpine Thermo Bottle Active Lid offers you a different way of using your Thermo Bottle in case your life is too fast-paced for the regular lid.- Reviewed by Ultralight Outdoor Gear(Unfortunately, we are unable to ship MontBell products outside of the UK)FeaturesAllows quick and easy hydration on the goOpens with one hand in single motionAll parts on Active Lid disassemble to easily wash and maintain cleanlinessCompatible with Alpine Thermo Bottle 0.75L and 0.9LBPA-freeSpecificationsWeight: 76gCompatible with: Alpine Thermo Bottle 0.75 L and 0.9 LMaterial & ConstructionActive lid: polypropylene (lock bar, button: ABS)Seal: siliconeBPA-freeHelp & advice:What does BPA Free Mean?

Flip-top lid for easier use on-the-go.Montbell says:Open with one hand and enjoy quick and easy hydration on the go with a flip top lid. Compatible with the Alpine Thermo Bottle 0.75L and 0.9L.Our Verdict