There are several advantages of having a 4x4 plastic post sleeve. Let’s take you step by step, type by type, and find the best 4x4 plastic post sleeve for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Jake Sales 4X4 Plastic Post Sleeve READ REVIEW

Best For High Performance Solar Lights: Buy: Classy Caps 4X4 Plastic Post Sleeve READ REVIEW

Best For Easy Fit: Buy: Wearpro Post Caps 4X4 Plastic Post Sleeve READ REVIEW

Best For Great Price: Buy: Weatherables 4X4 Plastic Post Sleeve READ REVIEW

Best With Durable Construction: Buy: Greenlighting 4X4 Plastic Post Sleeve READ REVIEW

Best For Deck Supports: Buy: Domerch 4X4 Plastic Post Sleeve READ REVIEW

Best Overall: Jake Sales 4X4 Plastic Post Sleeve

Buy on Amazon

The Jake Sales 4X4 Plastic Post Sleeve's material feels more premium than its price would suggest. The jake sells a 4x4 plastic post sleeve that is made of durable, low-maintenance vinyl. Post caps add a finishing touch to your vinyl fence. In addition, it fits 4" x 4" vinyl/pvc posts.

The sleeve is good good quality and it looks great. Further, the sleeve is adhesive and it is highly recommend. Most importantly, the jake sales 4x4 plastic post sleeve fits perfectly and it is very sturdy.

Almost all buyers agree that the sleeve measures closer to 3-1/2" x 3-1/2" actual. Also, a few also found that the sleeve fits snug not loose and also it is easy to paint and install. Also, they strongly agree that the sleeve has stayed on through 40mph winds so far with no issues. To sum up, the tone of buyers is very positive and we believe that the sleeve suits the purpose.

• This is perfect for fence posts and it is true to size.
• ✔ you need to measure the vinyl post outside diameter prior to purchase!.
• This fits the 4×4 post, the top is larger and decorative 5×5.
• The vinyl sleeve has about a 3 - 5/8 " i.d.

Best For High Performance Solar Lights: Classy Caps 4X4 Plastic Post Sleeve

Buy on Amazon

The classy cap 4x4 plastic post sleeve's superior materials makes sure that it ages well with use. The classy cap with 4x4 plastic post sleeve is made for a great fit, does the job, It looks good and has a classic style. The attractive low profile design of the classy caps majestic solar post cap will add beauty and elegance to your deck, fence or gardens. In addition, the sleeve looks swell, looks nice, it is bright enough and has an attractive design.

The sleeves fit perfectly. It is great for customer service and has a classy style. Also, the sleeve is made with great lights, it looks great, it is very subtle and has an elegant design. Above all, the classy cap with 4x4 plasticpost sleeve is highly recommend, is good for nice accent light, It works great and has a classic design.

Almost all buyers found that the sleeve is made for 5.5" posts. Also, they also found that the sleeves fit like a glove, plus they are made in home décor. In addition, a few say that the cap really accents the address sign ( 4x4 wood with a 4x4 vinyl sleeve on it ) and the led light looks very nice at night. To sum up, many customers have used the classy caps with 4x4 plastic post sleeve for more than a few months without any issues, and it shows no sign of giving up.

• These fit perfectly.... easy amazon returns should provide some peace of mind... they work great.
• This is made of solid plastic, great quality.
• These fit over a 4"x4" plastic sleeve post.
• This will fit over an actual 4”x4” post.

Best For Easy Fit: Wearpro Post Caps 4X4 Plastic Post Sleeve

Buy on Amazon

Next on the list, we've got yet another sleeve that manages to win our hearts. It's the Wearpro Post Caps 4X4 Plastic Post Sleeve and it's widely considered as one of the most convenient sleeves you can buy. The wearpro post cap 4x4plastic post sleeve fits perfectly, It can vouch for sturdy construction and has a good design. Classy look dresses up your fence, deck or dock. In addition, the sleeves look great and it is great for really high quality.

The sleeve fits 3.5" x 3.5" (4" nominal) standard wood post. Moreover, this is used for deck posts and it is ornamental. Above all, the wearpro post caps 4x4 plastic postsleeve fits right for the right size, It makes for nice quality and has a simple design.

Most buyers opine that the sleeve is designed to fit a 3 1/2 x 3 1/2 " post. Moreover, they strongly agree that the sleeve fits top of 4 x 4 post (actual 3.5post) perfectly. And, they strongly agree that the sleeve will take any kind of top coat or treatment. Obviously, this sleeve passed the test and had very satisfied buyers eager to share their experience.

• This is made with an easy fit to post.
• This is made of sturdy cast aluminum.
• This is unfinished, is highly recommended and it is good for lifetime warranty.
• This fits a standard 4x4 mailbox, deck, lamp post, dock and piling posts.

Best For Great Price: Weatherables 4X4 Plastic Post Sleeve

Buy on Amazon

The weatherable 4x4 plastic post sleeve is capable of outshining several other sleeves featured in this list in overall features for the price point. The Weatherables 4X4 Plastic Post Sleeve is good for good quality, is good for very good quality and it is easy to use. The new English post skirt fits a true 4 in. Further, this is great for a great price, comes with great items and it allows for maximum post profile dimensions.

The sleeve as well, looks nice and it is great for great look. In addition, it looks really nice and it is great for overall dimensions. Above all, the weatherables 4x4 plasticpost sleeve is a one-piece skirt and must be installed over the post | will not fade, discolor or warp | uv resistant | water resistant | perfect for a fence, deck, or mailbox post.

Most buyers opine that the sleeve is possible to paint but it will void the warranty and make it non-returnable. In addition, a few strongly agree that if the sleeve measures 4" x 4" then this skirt will fit. And, a few also found that this skirt fits nicely over the titan wood post anchor kit and sits flush on the deck. In conclusion, for most customers, Weatherable product was what they were looking for.

• This fits very snugly into the vinyl column and has very little available space underneath.
• This is manufactured from premium - quality, durable PVC vinyl, maintenance - free.
• It looks great and it fits great.
• This is coming out really nice.

Best With Durable Construction: Greenlighting 4X4 Plastic Post Sleeve

Buy on Amazon

If you often find yourself scrambling for a convenient and suitable sleeve, Greenlighting 4X4 Plastic Post Sleeve should be your first option for buying. The greenlighting 4x4plastic post sleeve looks good and it works great. Mark the walkway to your home or any outside stairs with a post cap light to shine your path home. These post caps will only fit on 4" x 4" vinyl, pvc or plastic posts.

The sleeve is not designed for use on wooden posts. Above all, the greenlighting 4x4 plastic postsleeve is designed to withstand the elements.

Most buyers agree that the sleeve is designed to fit only on 4" x 4" vinyl, pvc or plastic posts. Moreover, they strongly agree that the sleeve fit exactly as promised and was very easy to install. In conclusion, buyers found this to be one of the best sleeves for daily purposes.

• These fit the vinyl 4x4 post very well.
• Relax your way both day and night.
• This is too early to see if this will affect their functioning.
• It is very bright, it provides great value and has a great style.

Best For Deck Supports: Domerch 4X4 Plastic Post Sleeve

Buy on Amazon

Not everyone likes to purchase sleeves for their regular usage, but the Domerch 4X4 Plastic Post Sleeve would be an anomoly. The domerch 4x4 plastic post sleeve allows for easy installation of 4 x 4 (nominal) wood posts onto existing concrete or other hard surface. Your black powder-coated steel fence anchor is rust resistant and made from 2.5mm (12/13 gauge) steel. These post bases are a great solution for wooden surfaces too.

The sleeve is foldable for easy storage in tool bins, tool belts and pockets. And, it is made from 2.5mm thick steel and does not require digging. Lastly, the domerch 4x4 plastic post sleeve is a sturdy plastic bi-directional l-shaped pipe and post corner level.

Almost all customers agree that the sleeve fits inside the bracket plus it is working well so far. Also, they also found that the sleeve will depend on the measurements of the deck post sleeve. To sum up, the tone of buyers is very positive and we believe that the sleeve suits the purpose.

• This is included in this offer, It is efficient and has a purpose design.
• It is strong and sturdy and will firmly support your fence post.
• Using your black-powder coated steel constructed fence post base ensures reliability and strength.
• You can securely anchor your base to a concrete slab or other hard surface.