Frank Green Colour Changing Ultralite 1L Bottle

Stay cool and hydrated wherever the day takes you with the Colour Changing Ultralite Bottle. Designed to react to every ice-cold pour, this innovative bottle instantly transforms colour, then slowly fades as your drink warms — a fun, eye-catching feature that makes hydration feel effortless and engaging.

With a generous 1 Litre capacity and an ultralite design, you can carry more water without the extra weight, making it perfect for school, work, travel, sport and everyday use. Crafted from over 95% recycled stainless steel, it delivers premium durability while supporting a more sustainable, planet-first lifestyle.

The signature Flip Straw Lid is fully leakproof and designed for easy one-hand sipping on the go. Simply flip, sip and seal — no spills, no fuss. Made from BPA-free materials that meet FDA and EU safety standards, it’s built for safe, reliable daily use.

Compatible with all frank green lids for added versatility.

Please note: Not compatible with Bottle Bumpers Guards, Cactus Leather Bottle Holder or Car Cup Holder Expander.