SWEET SIPS FOR TWO - 32oz and 12oz Refill with ease: Patented Quick Fill™ Technology. Elevate your hydration experience with the Pop & Fill insulated stainless steel water bottle featuring a convenient push-button lid and a secure locking mechanism. The innovative leak-proof Quick Fill™ lid pops open for easy refills, making inconvenient twist caps a thing of the past. Equipped with a silicone spout and internal straw, Pop & Fill gives you the option to sip easy or chug effortlessly, catering to your every hydration need. Plus, premium double wall stainless steel construction provides unmatched durability while keeping drinks refreshingly cold up to 24 hours. Innovative Quick Fill™ technology allows you to easily refill your bottle without removing the lid Versatile sip or chug lid let's you drink from the silicone straw or from wide mouth opening 100% leakproof one-touch locking flip lid keeps drinks surface covered and clean