which makes this refillable thermos leakproof

Fashionable and Minimalist Design: The high performance of Super Sparrow vacuum bottles have a variety of novel and fashionable patterns

your drinks stay cold

The double-walled vacuum insulation design ensures your favourite beverages stay cold for up to 12 hours

and have a new drinking experience

FLIPFLOW™ Explore, With Straw Lid, 17OZ / 500ML Color:Orange which makes this refillable thermos18 10 Premium Stainless Steel Water Bottle: Compare to the cheap plastic water bottles or inferior stainless steel bottles that split and crack. Our thermos are made of constructed with the best 18 10 food grade stainless steel, they are 100% BPA BPS free, which is fully resistant to oxidation and corrosion. Therefore, you will have drinking safety and wonderful water taste. Double walled with air tight, vacuum seal insulation technology ensures your