This is a FlasKap Madic tumbler lid, which functions as a built-in flask and shot dispenser. The lid features "Your-Sip Technology," allowing users to press a button to mix drinks or take shots. It is designed to be compatible with most 20oz or 30oz tumblers, depending on the specific model. The Flaskap Drink-Through Twist Container Lid is a black plastic lid with a drawstring bag, designed for use by adults. It features a twist lid type for easy access and comes with a solid color pattern. The lid allows for drinking through it, making it convenient for enjoying hot or cold beverages. This one-piece set from Flaskap is perfect for those looking for a stylish and functional way to drink on-the-go.