Frank Green Colour Change Reusable Bottle 740ml/25oz - Lava

This innovative bottle features colour-change technology that activates when filled with ice cold liquid, creating a fun and dynamic way to stay hydrated. Its lightweight single wall construction makes it perfect for everyday use, while the signature frank green design offers bold colours, a modern silhouette, and an interchangeable lid and strap system for personalisation. The wide mouth opening makes filling, adding ice, and cleaning effortless, and the leak-resistant lid with secure seal and easy-carry strap ensures confidence and convenience on the go.