The Ultimate Flask is for those with a love for the outdoors. Our 900ml flask is perfect for people that spend weekends embracing nature, regardless of the weather. With maximum heat performance, this ultra-durable flask is the ultimate outdoor companion. Created with the Thermos quality and performance you can rely on and with a 5 year guarantee, this flask is ready for any adventure. Specifications Thermos vacuum insulation technology for maximum temperature retention, hot or cold 24 hrs Hot 24 hrs Cold Durable stainless steel interior and exterior Cool to the touch with hot liquids, sweat-proof with cold Protective silicone rings for ultimate durability Two part stopper to smooth the flow of liquid Capacity: 900ml Weight: 0.4kg Dimensions (LxWxH): 7.7x8.2x29.7cm Colour: Charcoal