the insulated vacuum flask 500ml (about 16.91 oz) has made with non-toxic, BPA-free and 18/8 pro-grade stainless steel protecting the coffee flask from oxidation and flavors transfer, stainless steel double wall vacuum flask thermos never leaves a metal taste or rust. The wide open-mouth design makes cleaning the inside easier and removes stains and germs. You can easily insert a sponge or a brush to clean, ensuring your bottle stays fresh and Oduor free while you enjoy your drinks, our stainless-steel sports water bottle set includes 3 travel cup lids, which can double as heat insulation service cups, The twisting and dumping function lets you dump it without moving the stopper and put it in the bag without worrying about overflow or leakage our Insulated water bottle for school has a capacity of 500ml, great for storing any drink: water, tea, coffee, milk, etc. And we have added a practical and creative 3 cups lid design to the stainless-steel flask. It is not only a cup lid but also teacups. sports Water bottles with handles very suitable for daily use and can be taken with you, such as Hiking, Biking, gym, Camping, School, Company, offices etc. Also fits most drink holders for bikes, car cup holders as well as backpack nets. One of the most important features of our tumbler cups is to make sure they won't leak if it is knocked over or stored in a bag. The BPA-free vacuum flask has a silicone ring on the bottom of the lid,which this bottle flask sealed and leak-proof, so even if a reusable water bottle falls on the floor, it will not overflow or leak, Moreover, the bottom of the insulated travel coffee cup is equipped with a non-slip silicone base, which can prevent it from sliding or slipping. A great way to show you care is with a gift that women or men will love.This reusable stainless steel vacuum flask set makes the perfect gift for anyone looking to increase their water intake, a thermos flask for hot drinks has been carefully sprayed with powder matte whic