ANTAND 40 oz Flip Straw Lid for Stanley Quencher (2 Pack)
The best-reviewed flip-straw lid on the shelf, for the 40 oz Quencher H2.0 or ProTour, and the one whose own bullet tells you to read the size off the base before ordering. The common size and the safe buy.
Install note
Opened and read back on 2026-08-03: "2 Pack 40 oz Leak Proof Lid Fit for Stanley Quencher H2.0 40oz (Only), Stanley Cup Accessories, Flip Straw Lid Replacement 40 oz", In Stock, 4.1 stars across 1,751 ratings. Feature bullet: "Specifically designed for Authentic Stanley Quencher H2.0 and ProTour - 40 oz ... CHECK YOUR CUP SIZE FIRST - Flip your Stanley upside down, the size (30oz or 40oz) is printed on the bottom. This stanley lid ONLY fits 40oz Stanley cups." Matches Stanley's size-locked lid SKUs.