Thermos Ultimate Series (24 Hours Hot/ Cold) Metal Flask, 900ml - Instore Romford

• Thermos vacuum insulation technology for maximum temperature retention, hot or cold; keeps hot for 24 hours and cold for 24 hours.
• Stainless steel interior and exterior featuring protective silicone rings for ultimate durability.
• Cool to the touch with hot liquids, sweat-proof with cold.
• Two part stopper to smooth the flow of liquids.
• 5 year guarantee.
• Capacity 900ml.
• Weight 390g.
• Dimensions 6.7 x 7.2 x 23cm

I bought them from Romford store, but they said we can find it in other stores as well.