Each 20-oz tumbler comes in matching color gift box Diamond-facet design with tapered bottom Triple-layer copper technology: two stainless steel layers, one wrapped in a copper coating, separated by vacuum seal Keeps ice frozen for up to 27 hours and liquids hot for up to eight hours Lid: open/close tab, air vent, straw hole, polypropylene construction VACUUM INSULATION TO KEEP DRINKS HOT OR COLD- The double wall vacuum sealed insulated design can keep drinks icy cold for up to 24 hours or hot for up to 8 hours. The wide mouth of the bottle allows you to easily add ice cubes for cold drinks so you can enjoy iced drinks for hours. You can also add your favorite fruits or herbs to the tumbler, allowing you to customize your drinks with your favorite flavors. DURABLY CONSTRUCTED PREMIUM WATER BOTTLE- The double wall stainless steel design keeps your drinks hot or cold without sweating or burning your hands. Take your bottle with you while hiking, biking, walking, running, going to the gym or to work- anywhere you go, this bottle can come with you! FUNCTIONAL LID- The lid features an easy slide open/close feature and the lid is straw compatible with most straw sizes. EASY TO CLEAN- This tumbler is easy to clean with any bottle brush because of the wide mouth top. Get in hard to reach areas in a cinch! Easy to clean, with a top rack dishwasher safe lid INNOVATIVE HYDRATION- This beautiful tumbler has a twist texture for a firm grip and a beautiful look. MADE WITH THE EARTH IN MIND - The Avalanche tumbler is made without BPA and is constructed of high quality stainless steel so you can enjoy your beverages in a healthy way without flavors transferring from the bottle into your drink. Using this reusable tumbler also cuts down on the use of single-use plastic water bottles and coffee cups, saving our landfills from unnecessary plastics.