Capacity: 0.45L; Heat retention after 6h >= 78 C; Body: Double-walled 304 & 201 stainless steel for heat preservation, customized patterns and colors; Lid: Polypropylene material, just press the button to open, features a locking latch to prevent accidental opening; Straw: Silicone material, spill-free drinking while maintaining the beverage's temperature; Color and Pattern: Optional or customized; Logo: Rang Dong; OEM: Accepted;