The Tumbler Flip Straw Lid is a replacement fit for 40 oz Stanley Quencher Cup, designed by the brand Stanley. The black color and leak-proof design make it ideal for on-the-go use, providing a convenient and versatile solution for keeping your beverages at the desired temperature. This product is perfect for those looking to replace their current lid with a reliable and durable option that fits their favorite tumbler cup. Includes a cleaning brush.