The YETI Rambler Tumbler Straw Lid turns your favorite high-tech tumbler into a smoothie drinking machine! Designed specifically for YETI Rambler cups, this lid and straw combo features a wide-straw design, perfect for drinking smoothies, and clear lid to easily assess when it's time for a refill. The molded-in stopper keeps your straw in place while a rubber O-ring works to keep this rambler lid secure. The YETI Rambler Tumbler Straw Lid provides dishwasher safe, BPA free, shatter and splash resistant performance. Imported. Manufacturer model #: 21070060007.