Thermos Jug Sigg Gemstone Cup Obsidian 1.1 L — insulated drink container

Sigg Gemstone Cup Obsidian 1.1 L is an insulated thermos jug designed to keep beverages hot or cold during transport and serving. The single‑piece container combines a 1.1 litre capacity with a compact form intended for use at home, in the office or outdoors. Its design focuses on maintaining beverage temperature while providing an easy‑to‑pour spout and a durable exterior suitable for everyday handling.

Advantages

The thermos jug preserves drink temperature for extended periods, allowing hot coffee or tea and cold refreshments to remain at serving temperature. Its medium 1.1 L volume makes it practical for small groups or personal use without being bulky. The container is made with materials that resist staining and are easy to clean, and the lid and pouring mechanism are designed for controlled dispensing to reduce spills.

Suitable for

• Serving hot coffee or tea at meetings and small gatherings
• Keeping cold beverages chilled during picnics or day trips
• Office use where a medium‑volume thermal container is needed
• Travel situations that require a durable, insulated drink container

Key specifications

• Capacity: 1.1 litres
• Function: insulated thermal jug for hot and cold beverages
• Design: single‑piece jug with pour spout and lid
• Finish: dark obsidian colour on the exterior
• Typical use: table or transport serving for beverages

How to use

Preheat or prechill the jug by filling it with hot or cold water for a few minutes before adding the beverage to improve temperature retention. Open the lid, pour in the drink, and secure the lid firmly before transport. When serving, operate the pouring mechanism as intended to obtain controlled flow; close the lid after each use to maintain insulation. Clean the interior after use following the manufacturer’s care instructions.

Usage recommendations

For best performance, avoid overfilling above the maximum capacity and do not place the jug directly on open flames or in a dishwasher unless the manufacturer indicates it is dishwasher‑safe. Rinse interior promptly after storing milk‑based drinks to prevent residue buildup and follow routine cleaning to preserve insulation and appearance.