Top grade stainless steel used, Leak-proof, Anti-rust and anti-corrosion
Don't store liquid more than 12 hours, Plastic cap is weak,
Breaking away from tradition is a nice touch the YWQ Hip Black Matte Flask does best. Flasks don't always have to be the same grey steel finish, even if it is, technically speaking. It still has that tough steel build that makes it anti-rust and anti-corr...
