This 2-in-1 drink bottle easily converts from an everyday hydration bottle to an on-the-go tumbler. 18/8 stainless steel double wall insulation keeps beverages hot or cold. Bottle mode has screw top lid with nonslip grip and wide mouth opening ideal for adding ice cubes. Tumbler mode has flip top lid that clicks to secure when opened or closed. Lids are made from BPA-free Eastman Tritan™ copolyester. Dishwasher safe (top rack), hand wash recommended. One-piece natural gift box included.