Super Sparrow Stainless Steel Drinking Bottle, 18/10, Ultralight Thermal Mug, 350 ml, 500 ml, 750 ml, Standard Mouth, Flex Lid, BPA-Free, Thermos Bottle for Sports, Travel, School, Outdoor

18/10 Premium Stainless Steel Water Bottle: Comparing with the cheap plastic water bottles or inferior stainless steel bottles that split and crack. Our thermos bottles are made from the finest 18/10 food grade stainless steel. They are 100% BPA free, which is completely resistant to oxidation and corrosion. Double-walled with airtight, vacuum sealing insulation technology ensures your favorite drinks stay cold or hot for 12 hours a day.