Silicone Sink Overflow Cover Plug – Basin Drain Stopper 2/4 Pack

Stop Overflow, Protect Your Bathroom

Keep your bathroom sink, wash basin, or bathtub fully sealed with this eco-friendly Silicone Sink Overflow Cover Plug. Designed to fit snugly into the overflow port of most standard wash basins, this two-piece stopper prevents water from draining too quickly, blocks unwanted insects, and keeps your sink water at the level you need — all without tools or complicated installation.

Key Features

• Universal Fit: Designed to fit 99% of standard basin overflow ports with a pore diameter of approximately 22–24mm.
• Premium Silicone Construction: Made from high-quality, eco-friendly silicone/rubber material that is flexible, durable, and safe for everyday bathroom use.
• Insect & Leak Proof: Creates a tight, reliable seal to block insects from entering through the overflow hole and prevents unwanted water leakage.
• Easy Install & Remove: Simply press into the overflow port for a snug fit — no adhesives or tools needed. Easily removable and fully reusable.
• Long Service Life: Built to last over 2 years with normal use, offering great value in a convenient 2 or 4-piece pack.
• Two-Piece Design: The smart two-piece construction ensures a secure, gap-free seal every time.

Specifications

• Material: Silicone / Rubber
• Pore Diameter: Approx. 22–24mm
• Type: Two-piece overflow cover plug
• Quantity: Available in 2-pack or 4-pack
• Eco-Friendly: Free from high-concern chemicals
• Country of Origin: Made in China

What's Included

• 2 or 4 x Silicone Sink Overflow Cover Plugs (as selected)

Perfect For

• Bathroom wash basins & sinks
• Bathtubs with overflow drainage ports
• Any standard basin with a 22–24mm overflow hole

Looking for more bathroom and home organization solutions? Check out our Cute Robot USB Desktop Humidifier or browse our Plastic Measuring Scoops & Spoons for handy home accessories.

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Frequently Asked Questions

Q: What size overflow port does this sink overflow cover plug fit?

A: This silicone overflow cover plug is designed for overflow ports with a pore diameter of approximately 22–24mm, making it compatible with the vast majority (about 99%) of standard bathroom wash basins and bathtubs.

Q: Is the sink overflow plug easy to install without tools?

A: Yes! Installation is completely tool-free. Simply press the two-piece silicone plug firmly into the overflow hole for a snug, secure fit. It can also be easily removed and reused whenever needed.

Q: How long will the silicone overflow cover last?

A: With normal use, each plug is designed to last over 2 years. The high-quality silicone material is durable, flexible, and resistant to everyday bathroom conditions including moisture and temperature changes.

Q: Can this plug be used in a bathtub as well as a sink?

A: Absolutely. This overflow cover plug is suitable for both bathroom wash basins and bathtubs, as long as the overflow port diameter falls within the 22–24mm range.

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.