Turn your Summit water bottle into a tumbler! This lid has the same technology as our classic straw lid. Dishwasher Safe: Wash on the top rack. This lid is toxin free The Summit Tumbler lid adapts your favorite water bottle into a tumbler, with the same tumbler lid technology on our classic tumbler. Built for all ounce sizes of Simple Modern Summit, including the Simple Modern Kids Summit and Tritan Summit, and Hydro Flask WIDE MOUTH Bottles, Not compatible with other bottles Why Simple Modern: Our core principles of Generosity and Excellence have inspired us to sell high Quality products, act as great partners with everyone we interact with, and give away a minimum of 10% of our profits