●Premium Food-grade Material: These Stainless Steel flasks are made out of premium food-grade stainless steel, anti-corrosion, rust-proof, non-toxic, to protect your health to the greatest extent. ●Leak-proof Design: Every whiskey flask is laser welded, air-pressured and quality control with a stainless steel cap.The cap can tightly seal the flask so vodka, bourbon, whiskey, or other beverage will not leak out. ●Portable size: The stainless steel matte flasks is compact in size(5.47 x 3.66 x 0.86 inch)and the thoughtful curvature makes it easy to store into a pocket or backpack. Small and easy to carry. ●Versatile: Suitable for camping, fishing, hunting, picnic, boating, hiking and other outdoor or indoor activities. suitable for birthday, fathers day, best man, bride, best man, Christmas, wedding, graduation, etc. ●100% Satisfaction Guarantee: If you have any questions, please email us and we will reply to all your questions within 24 hours, we will solve your problem. We guarantee a full refund for any quality problem or damage which is unacceptable to you. Thank you for your support.