30oz Replacement Cup Lid – Spill-Proof Sealing Bottle Cap

Keep Every Sip Secure with This 30oz Replacement Cup Lid

Never worry about unexpected spills again! This portable plastic sealing cup lid is designed as a direct replacement cap for standard 30oz water bottles and tumblers. Its snug, splash-proof seal keeps your favourite beverages safely inside your cup — whether you're commuting, at the gym, at your desk, or on the go.

Key Features

• Splash & Spill-Proof Seal: Secure-fit lid design minimizes accidental spills and splashes during daily use.
• Wide Compatibility: Fits most standard 30oz cups and tumblers with a 9cm (3.54 in) diameter opening.
• Durable Plastic Construction: Made from sturdy, lightweight plastic that stands up to everyday wear and tear.
• Easy Replacement: A straightforward, hassle-free swap to extend the life of your favourite bottle or tumbler.
• Portable & Lightweight: Compact design makes it easy to carry and store — ideal for travel, office, gym, or outdoor adventures.
• No High-Concern Chemicals: Contains no high-concern chemical substances for peace of mind.

Specifications

• Type: Sealing Cup Lid / Replacement Bottle Cap
• Material: Plastic
• Diameter: 9 cm (3.54 in)
• Compatible Size: 30oz cups & tumblers
• Color: As shown in product images
• Country of Origin: Made in China

What's Included

• 1 × Sealing Cup Lid

Note: Bottle and straw are NOT included. Please measure your cup's opening diameter carefully before purchasing — a 2–3% variance due to manual measurement is normal. Slight color differences may occur due to screen and lighting variations.

Perfect Pairing Ideas

Looking for more ways to stay organised and store your everyday essentials? Check out our Airtight Transparent PET Storage Bottle for versatile home and craft storage, or discover the Transparent PET Refillable Bottle – Leak-Proof Travel Storage for a handy travel companion.

Learn more: Ready.gov emergency supply guidance

Frequently Asked Questions

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

A: This sealing cup lid is designed for standard 30oz cups and tumblers with an opening diameter of approximately 9 cm (3.54 inches). We recommend measuring your cup's opening before purchasing to ensure a proper fit.

Q: Is the bottle or straw included with this lid?

A: No — this listing is for the sealing cup lid only. The bottle and straw are not included. It is designed as a replacement or spare cap for existing 30oz bottles and tumblers.

Q: Is this lid safe for hot and cold beverages?

A: This lid is made from sturdy plastic and is suitable for everyday cold and cool beverages. For very hot liquids, please check your bottle's temperature rating as the lid is intended as a replacement accessory for standard 30oz drinkware.

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.