Take me out to the ball game The Houdini discreet flask holds 7.25 fl oz. Perfect for sporting events, concerts, or an evening at the beach the discreet flask contains no metal so it wont be detected. The removable lid makes for easy filling and cleaning. Leak free, this discreet flask is designed with a tethered strap that locks the lid into place. Made of durable Tritan, rest assured the discreet flask wont break or scratch. Bring the party with you. Shhhh. we wont tell Shake it up Whether you are an at-home mixologist or an amateur wine connoisseur, Houdini by Rabbit provides exceptional tools to inspire you to celebrate the moments. Like Rabbit, Houdini is continually evolving and takes pride in delivering quality and value at an everyday price point.