Earthwell Roaster Loop Vacuum Bottle - 350mlEarthwell Roaster Loop Vacuum Bottle 350ml The Roaster loop bottle from Earthwell is made of extremely durable 18 8 kitchen grade stainless steel material and can keep content hot for up to 10 hours and iced up to 40 hours. The bottle features TempLock double wall vacuum insulation, multiple layers of ThermaGrid waffle insulation and EarthGrip powder coat finishing for easy grip and durability while using. The bottle does not transfer flavours and