Weatherables 3.5 x 3.5 Post Cap – Weatherproof Premium Outdoor Vinyl Post Cover for Lasting Durability and Easy Installation on Vinyl Decks, Patios, Porches, or Mailbox Posts (External)

Price: $6.99

As of 2026-01-26 06:49:16 UTC (more info)

Product prices and availability are accurate as of 2026-01-26 06:49:16 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com at the time of purchase will apply to the purchase of this product.

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PREMIUM VINYL POST CAPS: Upgrade your mailbox, deck, or fence posts with Weatherables' 3.5 x 3.5 post cap. Made from high-quality PVC vinyl, it withstands outdoor conditions while adding a sleek and clean look to your outdoor space.

DURABLE & LONG-LASTING: Our vinyl fence post caps are moisture and UV-resistant, eliminating concerns about fading, discoloration, or warping. With this reliable outdoor post cap, you can be confident that the top of your fence post won't dry out the wood, crack, or suffer from post rot.

EASY TO INSTALL: The external pyramid post cap effortlessly slides onto your vinyl post without the need for nails, screws, or glue. For added security, you can apply a small amount of clear silicone (not included) to firmly hold the cap in place.

SIZING & COMPATIBLITY: This post cap is compatible with true 3.5x3.5 vinyl posts, sleeves, or wraps commonly found in traditional outdoor decks, mailboxes, and fencing. It accommodates maximum post dimensions of 3.510 in. x 3.510 in., while the installed cap has an overall outside dimension of 3.96 in. x 3.96 in.

MADE IN THE USA: Weatherables is committed to premium products and a superior customer experience. Proudly based in Ohio, all our vinyl products are reliably made in the U.S.A. and come with a limited lifetime warranty.