This clear Yeti Rambler MagSlider Lid is the perfect addition to your 30 oz tumbler. The lid is designed to fit securely and prevent any spills or leaks while you're on the go. It's ideal for use during outdoor activities, commutes, or long trips. The lid is made for Yeti's Rambler series and is specifically designed to fit their 30 oz tumbler. The lid features a magnetic slider that makes it easy to open and close with one hand, while also keeping the contents of your tumbler hot or cold for hours. This lid is an excellent choice for anyone who wants to keep their drink secure and at the perfect temperature.