TRAVEL TUMBLER is designed to let you take your favourite drink with you and enjoy it at the perfect temperature. The double walled stainless steel design has a vacuum between its inner and outer walls, preventing heat transfer. The foil layer covering the inner wall is reflective to maintain excellent heat and cold retention. The outside is made of durable 18-8 stainless steel or has a powder coat finish on the surface to prevent damage. The inside has smooth electro-polished finish to prevents odors and stains. Colours: stainless steel, black, khaki, white, red, turquoise Size: H170 x D70 mm Capacity: 350ml Weight: 235g Materials: 18-8 Stainless steel, Polypropylene, Silicone Keeps content hot (65℃/149 F) or cold (8℃ / 46 F) for 6 hours.