○ Wash before first use
○ Do not use in microwave
○ Do not use in dishwasher
○ Do not use abrasive cleansers or steel wool.
○ Do not place near open flames
○ Do not leave the product under high temperature such as in a car
○ Do not shake or shock the product as it may cause liquid to spill
○ Do not put dry ice as it may expand and cause breakage
○ When opening the bottle with carbonated beverage inside, hold the lid firmly and open slowly
○ Do not open the bottle near electronic devices such as cell phones, as the beverage may spurt out
○ Please be careful not to burn yourself, as the beverage or drinking spout may be very hot even if the tumbler surface does not feel hot
○ Do not leave the product with beverage inside for long time as it may spoil or cause rust on tumbler
○ Please be aware that leaving a hot beverage inside the container for an extended period may cause a vacuum to form inside when the beverage cools down; this may cause the lid to not open, the beverage to spray out, and potentially result in burns or spillage
○ If the lid does not open, soak the lid in about 50°C/122℉ hot water for about 1 minute to help loosen it
○ To remove any noticeable metallic odors, such as upon first use, add 2 tablespoons of vinegar and warm water up to the rim and rinse after 30 minutes. When rust spots are found inside the tumbler, add warm water and citric acid in ratio of 10:1, wash with soft sponge after leaving it for 2-3 hours, and rinse well
