Leak Proof Flip Straw Lid For 40 oz Tumblers

Leak-Proof Screw-On Lid – Fits 40 oz “Stanley-Style” Tumblers

Turn every Quencher-style cup into a true grab-and-go travel mug. Our replacement lid twists on securely, seals tight, and flips open with one hand—no drips, no drama, just effortless hydration that engraving customers will rave about.

Built for everyday adventures …and laser engravers

• Twist-Tight Seal – Precision-cut threads and a food-grade silicone gasket create a 360° leak-proof barrier. Toss the cup in a tote or truck cup-holder without a second thought.

• Flip-Up Sip Spout – Hinged cap snaps open for fast sipping and clicks shut to lock out spills and dust. One-hand operation is perfect for the gym, trail, or school run.

• Crystal-Clear Tritan® Top – BPA-free, shatter-resistant, and laser-safe—engrave names, logos, or QR codes with crisp detail and zero yellowing.

• Dishwasher-Ready – Pop the flip cap off and load everything on the top rack—no tiny parts to lose.

• Plastic Straw – Also comes with a clear plastic straw that attaches to the flip straw.