The Stanley Quencher H2.0 FlowState Stainless Steel Vacuum Insulated Tumbler is a beverage container designed for keeping drinks at their desired temperature. It typically includes features such as a lid and a straw making it suitable for various beverages like water iced tea coffee smoothies and more. Here are some common features of such a tumbler: Material: Stainless steel is a common choice for these tumblers due to its durability and insulating properties. Vacuum Insulation: Vacuum insulation helps maintain the temperature of your beverages keeping them hot or cold for an extended period. Lid: The tumbler often comes with a spill-resistant or leak-proof lid making it convenient for on-the-go use. Straw: Some models come with a reusable straw especially for cold beverages like iced tea and smoothies. Capacity: The capacity of 40 ounces is relatively large allowing you to hold a substantial amount of liquid. FlowState Technology: The FlowState technology might refer to a special design or insulation technology used in the tumbler but the specifics would depend on the manufacturer s branding.