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Dry Mailbox Insert
  • Dry Mailbox Insert
  • Dry Mailbox Insert
  • Dry Mailbox Insert
  • Dry Mailbox Insert
  • Dry Mailbox Insert
Dry Mailbox Insert
$29.99 $39.99

Keep Your Mail Dry with the Patented DRY MAILBOX Insert

The Dry Mailbox Insert is a patented solution designed to protect your mail from unwanted moisture. Crafted from durable, recyclable polypropylene, this innovative plastic mailbox insert features two custom mesh trays that prevent water from rain, sprinklers, melting snow, and other sources from reaching your mail.

Designed for versatility, the mailbox insert tray is fully adjustable to fit most standard mailboxes between 6.5″ and 8.0″ wide. Whether you're dealing with wet weather or seasonal elements, this waterproof mailbox insert installs easily and gives you lasting peace of mind, knowing your mail stays clean and dry.

 

Expandable Dry Mailbox Insert Tray – Universal Waterproof Mailbox Liner & Rain Guard for 6.5–8″ Wide Mailboxes, Expands 12–21″ – Protects Mail from Rain, Snow, Sprinklers – No Tools Needed

 

More About This Item
  • Fits Most Mailboxes: Our universal mailbox insert expands 12–21" to fit standard post mount and curbside mailboxes with 6.5–8″ width—an essential mailbox accessory upgrade.
  • Keeps Mail Dry: This dry mailbox insert lifts mail above the base to prevent damage from rain, melting snow, or sprinkler overspray—no more soggy envelopes or wet packages.
  • Patented Mesh Design: Innovative mesh mailbox tray ensures airflow and drainage while keeping mail elevated—acts as a perfect mailbox water guard or drip tray solution.
  • Weatherproof Protection: Durable polypropylene liner resists moisture, UV rays, and extreme temperatures—your ideal mailbox solution for wet weather all year round.
  • Quick No‑Tool Install: Easily compress and insert—no tools or hardware needed. This adjustable mailbox insert snaps into place securely and stays put.
  • Lightweight & Eco‑Friendly: Weighing under 9 oz, this recyclable mailbox tray is both lightweight and sturdy—an environmentally conscious choice for your outdoor mailbox.
  • Stop Wet Mail Issues: Say goodbye to damp mail with our mailbox rain protector—perfect for homes that deal with frequent rain, sprinklers, or snow buildup.
  • Trusted Amazon’s Choice: With hundreds of satisfied reviews, this mailbox liner insert is the go-to product to stop wet mail. Works great as a USPS mailbox insert tray too!
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Frequently asked questions

What is a dry mailbox insert?

A dry mailbox insert is a plastic tray placed inside your mailbox to keep your mail dry and protected from rain, snow, and moisture.
How does a mailbox insert help keep mail dry?

The mailbox insert lifts your mail off the bottom surface, preventing contact with any water that seeps in. It acts as a simple waterproof barrier inside your mailbox.
Is this plastic mailbox insert weather-resistant?

Yes, the insert is made from durable, UV-resistant plastic designed to withstand all weather conditions without cracking or warping.
Will the mailbox insert tray fit my current mailbox?

Our mailbox insert tray fits most standard curbside mailboxes. Check the product dimensions to ensure it’s the right fit for yours.
Can I still store large envelopes or small packages with the insert installed?

Absolutely. The design of the tray allows space for bulkier items while still keeping everything elevated and dry.
How easy is it to install the waterproof mailbox insert?

Installation is quick and requires no tools. Just slide the insert into the bottom of your mailbox and you're done.