- This set of 2 splash-proof tumbler lids is designed to fit Yeti Rambler and most other 30-ounce tumblers, providing versatility for your drinkware collection. - The intuitive slide vane allows for easy opening and closing of the slide tab, while the air hole on top enhances airflow, making it simpler to sip your favorite beverages. - Crafted from crystal clear AS plastic, these lids are BPA-free, ensuring that your drinks remain safe and free from harmful chemicals. Their sturdy and durable construction means they will withstand daily use for a long time. - The tumbler lids effectively minimize spills when you accidentally tip over your tumbler, helping to keep your drink insulated and at the desired temperature for longer. Practical use scenarios: - Perfect for outdoor activities like camping or hiking, where spills can be common, allowing you to enjoy your drinks worry-free. - Ideal for daily commutes, ensuring that your coffee or tea stays secure while you're on the move. - Great for gatherings or picnics, providing a reliable way to share beverages without the risk of mess. Choose these tumbler lids for a reliable, functional solution that enhances your drinking experience.