The Healthy Human On The Go Spill Proof Tumbler Lid is specifically designed to fit the 12 oz and 20oz Healthy Human Cruiser Tumblers. With its unique vacuum sealed technology, this tumbler lid guarantees 100% spill-proof performance, ensuring that your drink stays securely inside the tumbler at all times. Constructed with strength and durability in mind, this lid is built to withstand the rigors of everyday use. Its airtight seal keeps your drink insulated for longer periods, allowing you to enjoy your beverage at the ideal temperature for an extended period of time. In addition to its spill-proof design, this tumbler lid is also Bpa-free and dishwasher safe. Made from transparent materials, it is easy to clean and maintain. The lid can be disassembled into various parts for thorough cleaning, ensuring a hygienic drinking experience every time. Made from food-grade Tritan crystal clear Bpa plastic, this lid is both safe to use and environmentally friendly