The insulated MiiR Leakproof Straw Lid guarantees no leaks, even at high altitude. Includes 2 cut-to-fit straws and fits all MiiR Wide Mouth Bottles, Flip Travelers and 360 Travelers. Not intended for use with hot or carbonated beverages.  Straw Trim Lengths Lengths below are for all MiiR Wide Mouth Bottles and Travel Tumblers  12oz: 4.9in/125mm  (including kid's bottles) 16oz: 6.38in/162mm   20oz: 7.75in/197mm   32oz: 8.42in/214mm   42oz: Do Not Trim Care Wash before first use. Hand wash recommended. Lid top rack dishwasher safe. Do not freeze, do not microwave, do not bleach, do not overfill. CAUTION: Choking hazard. May contain small parts not suitable for children under 3 years.