Introducing the new 580mL (20oz) Algonquin Tumbler. Everyone’s favourite go-to tumbler just got better with a new threaded Removable Magnetic Slider Lid! Durable, portable, eco-friendly and reliably hot or cold for as long as you need. Ditch the flimsy disposable cup and get your hands on the reusable, insulated Algonquin Tumbler.