A super light weight and compact standard type bottle. It is easy to use even in offices and destinations. Heat insulation and refrigeration can be done with vacuum double structure with heat insulation. W drinking mouth which can separate cold drinks and hot drinks. ※ Heat retaining effect: 66 degrees or more (6 hours), refrigeration effectiveness: 9 degrees or less (6 hours) ※ Microwave oven and dishwasher can not be used.