40oz Replacement Cup Lid with Folding Straw – Threaded Fit

Keep your favorite 40oz tumbler or water cup fresh and spill-resistant with this threaded replacement lid featuring a built-in folding straw. Designed to fit most standard 40oz cups, this lid is the perfect upgrade or replacement for everyday hydration at home, at the gym, or on the go.

Key Features

• Secure Threaded Fit: The screw-on thread design creates a tight, reliable seal — no accidental spills in your bag or car.
• Flip-Up Folding Straw: The integrated folding straw pops up with ease so you can sip directly without removing the lid. Simply flip it open and drink.
• Durable, High-Quality Construction: Built from sturdy materials designed for long-term, everyday use — this lid holds up to repeated use and regular washing.
• Ideal for Active Lifestyles: Whether you're commuting, hiking, traveling, or hitting the gym, this lid makes staying hydrated effortless and mess-free.
• Universal Size: Diameter of approximately 9.8 cm / 3.86 in — compatible with most standard 40oz tumblers and wide-mouth water cups.

Specifications

• Compatible Cup Size: 40oz
• Lid Diameter: 9.8 cm / 3.86 in
• Straw Type: Built-in flip folding straw
• Closure Type: Threaded / Screw-on
• Country of Origin: Made in China

Notes

• All dimensions are manually measured; please allow a tolerance of 1–3 cm.
• Due to variations in display equipment, actual product color may differ slightly from images shown.

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Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: What size cup is this replacement lid compatible with?

A: This folding straw lid is designed for 40oz cups and tumblers with a standard opening diameter of approximately 9.8 cm / 3.86 in. We recommend measuring your cup's opening before purchasing to ensure a proper fit.

Q: How does the folding straw work?

A: The lid features a built-in flip-up straw that folds flat when not in use and flips open with a simple push. This makes it easy to sip on the go without removing the lid, keeping your drink secure and reducing spills.

Q: Is this lid easy to clean?

A: Yes! The straw and lid can be rinsed under running water. For a thorough clean, the straw can be removed for washing. We recommend regular cleaning to maintain hygiene, especially after use with sugary drinks.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.