Travel, commute, and explore with confidence. The MiiR 360 Traveler features the Leakproof 360 Lid – press the center button to sip or pour from any side, then press again to seal. Thermo3D® double-wall vacuum insulation keeps your drinks hot or cold for hours, making it the perfect insulated tumbler for any beverage on daily commutes, road trips, and outdoor adventures. *Enjoy the newly updated 360 Lid featuring a clear open/closed indicator line on: 12oz: Black, Evergreen, Tidal Blue, White 16oz: Sandstone White, Altitude Blue Care Wash before first use. Hand wash recommended with a small brush to clean under center button. Lid top rack dishwasher safe. Do not disassemble lid, do not freeze, do not microwave, do not bleach, do not overfill. CAUTION: When open, liquid can be poured from anywhere around the rim. Use caution with hot liquids and always close lid when not in use. Not for use with carbonated beverages. Choking hazard, may contain small parts not suitable for children under 3 years.