Leakproof Rhinestones Cap Design: The innovative rhinestones cap structure ensures a tight seal, prevents any liquid leakage during carrying Perfect for picnics, camping, and other outdoor scenarios Durability Stainless Steel Construction: Crafted from stainless steel, this square flask offers rust resistance and oxidation protective Portable Square Shape: The unique square design allows for easy storage in backpacks or suitcases, saving space efficiently It suits frequent travelers or business trip users Easy to Clean Surfaces: The smooth stainless steel surfaces simplifies clean, requiring without special tools to maintain its condition Suitable for daily household use Classical Minimalist Styles: With a simple and elegant design, this flask adapts to various occasions, from formal banquets to casual gatherings