22/28/37oz 316 Stainless Steel Water Bottles  650/850/1100ML Insulated  Vacuum Flask

Features:

• Made of 18/10 （316)stainless steel, medical grade  , BPA-free

• More durable and corrosion resistant, with no metal ion precipitation at all

• 5 Layers insulted bottle , keep warm for 12 hours, keep cold for 15 hours

• With a filter and an integrated handle,food-grade silicone seal , more convenient to use

• Three capacities to choose , great ideo for sports or outdoor activities like cycling , hiking,  travel, gym...