Come and see our amazing products. These thermal water bottles are produced with advanced heat preservation technology and also leakproof and shatterproof to keep your favorite drinks cold up to 24 hours and hot more than 12 hours.These insulated water bottles are made of upgraded 18/8 stainless steel,durable and unbreakable,food grade and BPA free and also rust proof and with no condensation,which is of great benefit to retain the temperature and taste of your beverage.These water bottles pack are light weight for easy carrying with your backpacks and hand bags,you can use them for both indoor and outdoot events such as,hiking,camping,traveling,schooling,and office,etc. Pls confirm further with us if any query about packing info, inventory status and time schedule.