Designed for a seamless, spill-free hydration experience, the MiiR Leakproof Straw Lid ensures no leaks—even at high altitudes. Whether you're on the go, in the office, or exploring the outdoors, this durable lid makes sipping effortless while keeping your bottle securely sealed.  Mix & Match Colors: Available in black & white to customize your bottle Straw Trim Guide: for best fit, trim your straw based on your MiiR bottle size: 12oz: 4.9in / 125mm (including Kids' Bottles)16oz: 6.38in / 162mm20oz: 7.75in / 197mm32oz: 8.42in / 214mm42oz: Do Not Trim Not intended for use with hot or carbonated beverages.  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.