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

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

• 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!

Dry Mailbox insert that keeps your mail high and dry.