Premium Quality: hip flak set is made of high quality stainless steel, safe and durable, anticorrosion and anti-rust, easy to use and convenient to carry. Can be used for a long term. Safe & Leakproof Design: With a secure hinged screw cap, you don't have to worry about losing the screw cap when you unscrew. The screw cap seals tightly to ensure that your favorite beverage doesn't leak or waste. Easy to Use: You just need to unscrew the cap and put the small funnel on the mouth of the flask, then fill your favorite drink slowly, and don't worry about spilling drinks outside the flask. Come with the 2 small glasses, you can drink any time. Easy to Carry: With the smooth curved design and classic matte black, comfortably grip and lightweight, easy to carry. You can put into your backpack, when you're traveling, climbing, fishing or camping. Wide Applications: Perfect for filling with whiskey, wine, vodka and all kinds of drinks. Perfect gift for dad, boyfriend, groomsmen and more. Please drink your wine as soon so possible and the varieties of drinks cannot store for a long time in the flask.