Toilet Brushes

- Base material: 18/8 stainless steel + double vacuum insulation; some styles feature a copper/ceramic coating (improved thermal insulation and preservation of the beverage's original flavor). - Insulation properties: Keeps hot drinks hot for approximately 4 hours and cold drinks cold for approximately 16 hours. The cup body does not condense (no "sweating" effect). - Design details: - Leak-proof flip-top lid/360° cup lid (some styles include a straw), providing a strong seal; - Cup shape fits most car cup holders, highly portable; - Available in various capacities (12/16/20/24 oz), including black, and features a durable coating. - Usage scenarios: Suitable for the office, travel, outdoors and other scenarios, hot and cold drinks are applicable and support dishwasher washing (some styles require hand washing).