Flask is made of high quality stainless steel holds up to 4 oz. of liquid, anti corrosion and rust proof, to protect your health to the greatest extent. The screw cap connect with laser swing arm, ensure maximum leakage prevention while preventing cap loss. We can also provide 1oz,2oz,5oz,7oz,8oz,9oz,10oz, each beautiful flask has its own gift box. Your logo could be screen printed or laser engraved. making it a creative promotional product for restaurants, weddings, bars, pubs and more. QTY for 2000pcs and over by ocean. We can rush service and guarantee the perfect quality.