This 16 oz cocktail shaker is made of a durable, BPA free polycarbonate and comes packed in an illustrated box. It features a strainer top for seamless pouring, which also creates a tight seal to prevent leaking. These drink shakers include measurement markings from 2 oz to 16 oz and 50 ml to 500 ml on one side for mixing accuracy. Imprint your company name and logo on the other side to promote bars, restaurants, virtual happy hour and more. Quantity ordered must be in increments of 24 pcs.