ELEGANT FLASK WITH CUP: Specifically designed for ladies, girls, and women, this stylish bottle holds 500ml and comes in 4 beautiful colors. It features a golden handle and a lid that doubles as a 100ml serving cup. Enjoy hot or cold drinks directly from the bottle or use the cup for a more comfortable sipping experience, especially with hot beverages at the office or restaurants. HIGH QUALITY: Crafted from food-grade 304 stainless steel inside and out, ensuring durability and purity. The stopper and serving cup are made from BPA-free PP plastic, with a silicone ring for a secure, leak-proof seal. The exterior is coated with eco-friendly paint for a beautiful, rust-resistant finish. ONE-BUTTON OPERATION: The airtight stopper features a convenient one-button control for easy opening and closing. The 360-degree pouring design makes it simple to dispense your drink. The stopper component can also be detached for easy cleaning. A free sponge brush in a random color is included as a gift. KEEPS DRINKS HOT & COLD FOR HOURS: Keeps your beverages hot or cold for 8-12 hours. At a room temperature of approximately 20C, filled with 98C hot water, it maintains around 81C after 6 hours and approximately 55C after 12 hours. For optimal performance, we recommend preheating with boiling water before each use. SATISFACTION GUARANTEED: We provide excellent customer service to address any manufacturing defects. If you encounter any issues, please contact us, and our team will respond within 24 hours. This 500ml stainless steel thermos is perfect for daily use, including school, work, travel, camping, beach trips, and hiking. Easily fits in your purse or backpack, making it lightweight and space-saving, so you can stay healthy and hydrated on the go.