Introducing a Design Classic for Our Times Our fabulous new William Morris Hot/Cold Double Walled Vacuum Flask keeps your drink cold for 24 hours or hot for 12 hours. The first official William Morris re-usable bottle to a standard befitting the master himself, using only the finest materials to provide a superior on-the-go drinking experience. Featuring Reddot award winning design and three of Morris’s most iconic images: Strawberry Thief, Seaweed and Blackthorn, our Hot Cold vacuum bottles are both highly functional and truly beautiful – making them worthy of the William Morris ethos.