The Best Sport Vacuum Cup Water Flask 550Ml Brown

The insulated water flask not only features a standard threaded design, but also a thickened 360 food-grade silicone sealing ring on the bottom of the inner stopper, ensuring no leakage no matter how you tip over or shake it. So you can put it into your camping bag or back seat on the go without worrying about any liquid spills, allowing you to travel with ease.