Thermos KingHoff KH 4177 — vacuum insulated flask, portable beverage container

The KingHoff KH 4177 vacuum insulated flask is a compact portable beverage container designed to maintain liquid temperature for extended periods. Constructed with a double-wall vacuum insulation and a screw-top closure, this thermos is intended for daily use and travel. Its durable build supports hot drinks like coffee and tea, cold refreshments, and soups while minimizing heat transfer and preventing spills during transport.

Advantages

The double-wall vacuum insulation reduces heat exchange and helps preserve beverage temperature without the need for electrical power. The screw-top closure provides a secure seal to limit leaks and retain heat or cold. The flask’s compact size and robust construction make it suitable for frequent handling and portable storage. Materials and assembly are selected to withstand regular use and simple cleaning.

Suitable for

• Commuting and daily work use
• Outdoor activities such as hiking and picnics
• Travel by car, train, or plane
• Carrying hot soups or cold beverages

Key specifications

• Vacuum-insulated double-wall construction for thermal retention
• Screw-top closure for a secure seal
• Compact, portable design for easy carrying and storage
• Durable exterior suitable for everyday use

How to use

Before first use, wash the flask with warm soapy water and rinse thoroughly. Preheat or precool the flask by filling it with hot or cold water for a few minutes, then empty before adding the beverage. Fill the flask without overfilling, close the screw-top securely, and carry in an upright position when possible. To pour, open the screw-top and tilt carefully to avoid spills. Clean after each use according to the manufacturer’s care instructions.

Usage recommendations

For best thermal performance, preheat the flask with hot water for hot drinks or prechill with cold water for cold beverages. Do not use the flask for carbonated drinks or perishable food that requires refrigeration for safety. Hand washing is recommended to preserve sealing components and external finish; avoid abrasive cleaners and dishwashers unless the manufacturer specifies dishwasher safety.