This also the screw cap is made of stainless steel which prevents any leaks. Made from strong and durable stainless steel, with a traditionally curved design for comfort when stored in a hip pocket Features a captive lid that ensures the lid remains securely attached to the flask when in use. This hip flask holds 5 oz of your favourite drink for any event Flask has a stainless steel body at the top and bottom of the flask combine with the Beige Faux Suede fabric to give it a refined look