Slide into something smoother. Sleek, splash-resistant, and designed to contour to our Rise Drinkware, the Slide Lid glides open for easy sipping and slides shut to keep drinks contained and can be disassembled for easy cleaning. Our Slide Lid delivers style, simplicity, and easy sipping anywhere you roam. NOTE: Slide Lid is NOT leakproof. Small size fits 8oz/10oz Rise Lowball Tumblers, 16oz Rise Tumbler and 12oz Camp Mug. Large size fits 12oz/14oz Rise Mugs and 26oz/36oz Rise Tumblers.