Dual - use lid: Drink directly or with a straw to meet your different needs Small design: Large foldable handle for easy carrying, silicone bottom pad for non - slip, slim cup body for easy gripping Cleaning: Hand - washing is preferred. The dishwasher may shorten the cup's lifespan and cause scratches High Quality Material: The interior and exterior of our insulated cups are made of food grade 18/8 stainless steel, which is a BPA-free food grade material. This is safe and healthy for your entire drinking Usage scenario: This cup is suitable for home, school, office, gym, yoga room, travel, party and other scenarios, and can also be used as a gift insulated coffee tumbler