40Oz Tumbler Flip Straw Lid Replacement Spill Proof Reusable Tumbler Cover Splash Resistant Cup Cover For Stanley Straw Cap

The product in the image is a replacement flip straw lid for a 40-ounce tumbler. It is designed to be spill-proof and splash-resistant, making it suitable for use with reusable tumblers. The lid is specifically mentioned as a replacement for the straw cap of Stanley tumblers.