The Rambler series’ famous cold-retaining properties keep frozen beverages icy for hours, and now the Straw Lid makes them easier to enjoy YETI's wide, durable drinking straw makes this the perfect lid for margaritas, slushies, and whatever drinks you’d rather sip than gulp The straw lids have a molded-in stopper that holds your straw safely in place And just like our other Rambler lids, it’s shatter-resistant, dishwasher-safe, and completely free of BPA Perfect accessory for your 35 oz Rambler Mug