Hiilnarus Insulated flasks 350ml Stainless Steel Water Bottle with LED Temperature Display – A Leak-Proof, Portable Travel Mug for Hot and Cold Drinks

Date First Available:February 8, 2026

• **Smart LED Temperature Display:** Features a built-in touch-sensitive lid that displays the liquid temperature inside the bottle in real-time. This at-a-glance feature ensures you can enjoy your beverage at the perfect temperature every time.
• **Premium Double-Wall Vacuum Insulation:** Crafted from high-quality stainless steel and utilizing advanced vacuum insulation technology, this bottle keeps drinks hot for up to 12 hours and cold for up to 24 hours.
• **Leak-Proof and Spill-Proof Design:** The securely sealing lid is fitted with a tight silicone gasket, effectively preventing any leaks or spills. You can safely carry it in your bag with complete peace of mind, without worrying about soiling your belongings.
• **Stylish and Compact Design:** Boasting a slim, lightweight profile with a smooth matte finish, this bottle fits effortlessly into car cup holders, backpacks, and handbags. It is the ideal companion for travel, office use, school, and outdoor activities.
• **Safe and Durable Materials:** The inner lining is constructed from BPA-free, food-grade stainless steel. Odorless and non-toxic, it ensures that you enjoy the pure, unadulterated taste of your beverage every single time.