Lock in the Heat. The Bru?Mate Toddy, part of our new MÜV Collection, is the world's first 100% leak-proof, insulated mug with a handle designed for your favorite hot drinks at home or on-the-go. Includes new BevLock™ Technology with a fully leak proof locking lid, so you can take your beverage wherever, whenever. The Toddy is your versatile, go-to mug, from toddies to coffee and everything in between. Works with cold beverages, too!