This is a stylish one-handed, one-push open bottle. It has a double-walled vacuum structure to maintain temperature. The wide mouth allows for ice cubes. The one-touch open drinking spout is highly functional, making it easy to open with one hand while reading or using your smartphone. Brand new, unused. Opened to check the contents. Color: White Capacity (mL): 450 Height (mm): Approximately 240 Type: One-touch open Heat retention: 63 degrees Celsius or higher (6 hours) Cold retention: 9 degrees Celsius or lower (6 hours) (◍•ᴗ•◍) Please check my profile before purchasing. Thank you.