Frank Green 1L Ultralite Bottle Colour Change Lava with Flip Straw Lid

- Make every sip a magic show! This Colour Changing Ultralite Bottle changes colour with every ice-cold pour, the change fades as it warms. Complete with our iconic Flip Straw Lid for effortless on the go sipping. Hydration has never felt this effortless.
- Our magic paint technology will instantly change colour when you pour in ice-cold liquids
- Ultralite, carry more, for less
- Made with over 95% recycled stainless steel
- Premium feel, made to last, planet-first
- Our Flip Straw Lid is leakproof, made for one-hand sipping, seals tight with no spills
- BPA free, FDA & EU approved safe materials
- Compatible with all frank green lids