Doublewall vacuum glass insulation Preserves heat for up to 24 hours (based on room temperature 23°C), keeping beverages hot longer so you do not need to reheat. Secure, airtight lid and spillresistant spout insulated, airtight construction with a lid that locks securely in place to prevent accidental openings. Refined spout design minimizes spills while pouring coffee or other hot drinks. Durable, safe materials and reliable sealing quality glass liner surrounded by a PP (polypropylene) outer shell for durable, lightweight protection. Heatresistant sealing rubber provides strong sealing performance and prevents leakage. Easy to clean and maintain Smooth glass interior cleans easily with a soft cloth or sponge; no abrasive scrubbing required. Why customers choose this product Keeps drinks hot all day: ideal for long workdays, meetings, or outdoor use where reheating isn't convenient. Nomess pouring: airtight lid and refined spout reduce spills and interruptions. Built to last: quality glass liner, protective PP shell, and heatresistant seals deliver reliable, leak performance. Typical uses Home: Keep morning coffee hot through breakfasts and chores. Office: Pour a cup at your desk or in meetings without spills or frequent reheating. Travel and commuting: Carry a hot drink on the go with confidence that it stays warm and won't leak. Materials and performance summary Insulation: Doublewall vacuum glass Outer shell: PP (polypropylene) Seal: Heatresistant rubber Performance: Keeps heat up to 24 hours (based on room temperature 23°C) Cleaning: Soft cloth or sponge recommended Suitable for home, office, travel, and similar everyday situations.