Our new Flex lids add another dimension to the already versatile Ice Shaker bottle.  Designed with hot beverages in mind, these lids allow you to regulate how much ventilation there is within your bottle.  Sip with confidence through the drinking hole designed for piping hot beverages. Flex Lids are compatible with 26oz and 16oz Ice Shaker Bottles. Key features include: Tritan straw is included with lid.  Spill/leak proof design-Never worry about your coffee lining your bag Air-tight flip up tab-Convenient to open and close with one hand Centered straw hole with attached rubber stopper-use it for a straw or pop the stopper for venting Clean, clear look with a color pop! 10 color bands to choose from-Stick with the color of your bottle or mix it up and give your bottle a custom look that matches your style.