Thank you for viewing! This is a brand new, unused 500ml stainless steel water bottle ⭐︎ It has a vacuum-insulated, double-walled structure, providing excellent heat retention and cold insulation. It can keep the temperature of the contents for about 6 hours! Plus, it has a one-touch opening for the drinking spout, making it very convenient for staying hydrated while working or driving. The powder coating makes the paint less likely to peel and prevents fingerprints from showing. The non-slip feature is also a great selling point ⭐︎ How about taking it with you for essential hydration, even in the winter? We welcome your likes and comments ♪ - Capacity: 500ml - Structure: Vacuum-insulated, double-walled - Opening method: One-touch opening - Colors: Matte white, Matte black - Heat retention: 71℃ (6 hours) - Cold insulation: 8℃ (6 hours)