It made by stainless steel, We need wash more time, use Liquor and Spirits wash this flask.
TOP GRADE MATERIALS: These flasks by YFS are made out of premium quality stainless steel, ensuring that your experience will remain the greatest year after year. Non toxic, anti–corrosion and anti-rust product.A grip-friendly flask of 8oz, a funnel for easy use.
ELEGANT & VERSATILE - The 8 oz flask brings and stores more your favorite beverage. Idea stainless steel flask for all outdoor activities, like Fishing, Camping, Boating, Hunting, Hiking, Tailgating and much more.
UNISEX AND CLASSY DESIGN: Our engraved stainless steel matte flasks fit as good in a man’s pocket as in the bag of an elegant woman!