post protector
Worth a lookShows a sweet-spot price point ($26.92 avg), but a small market ($24K/yr) keeps it on the watch list.
Avg price
Incredible$26.92avg listing price — sweet spot $15–$100
Price range
Great$9.69–$87.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great288.51avg incumbent reviews — the moat a new listing must climb
Growth
Good+55.6%90-day search growth — must beat 0% to launch
Brand share
Good63%top-5 brand share — brands hold most of the demand
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay4.0%return rate — above 5% kills the launch gate
Conversion
Bad2.0%search→purchase rate — share of searches ending in a sale
Market size
Bad$24K$24K/yr · 46K searches
According to Flapen's Amazon United States niche tracking, post protector is a $24K/yr Amazon United States market (46K searches/yr). The top 5 brands hold 63% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
post protector market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $34K–$40K
- units × avg price
- Conversion rate
- 2.0%
- Avg BSR
- #419
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 83%
- Out of stock
- 1.7%
- Avg brand age
- 32 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
23 rising
Sellers
30
Top-5 brand share
63%
Top 20: 98%
Top-5 click share
46%
Top 20: 86%
Open market
32%
- Post Shields22%
- Wanhork18%
- WOCEPU11%
- POSTSAVER7%
- Emsiok6%
- Muzata5%
Top post protector search terms
- post protector15K/yr
- mailbox post protector11K/yr
- 4x4 post protector6K/yr
- fence post protector7K/yr
- post protector 4x47K/yr
Top post protector products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Wanhork 304 Stainless Steel Adjustable Post Protector (Range 3.3-6in) Protect mailboxes Deck and Fences from rain and Damage to Maintenance Equipment (1set Black)
Wanhork$21.014.6★352 rev
Post Shields 4x4 Post Protector - Fits Standard 3.5x3.5 Wood or Metal Posts - 4in High - Easy Install No Tools - Protects Mailbox Deck and Fence Posts from Lawn Maintenance Equipment Damage
Post Shields$9.694.1★1,561 rev
WOCEPU Stainless Steel Adjustable (Range 3.3-6) Post Protector Protects Wooden Mailboxes and Fences from Lawnmower and rain Damage (Black 1 Set)
WOCEPU$21.904.5★225 rev
6 PCS Fence Post Protector Guard Black Wood Fence Post Rot Protection Sleeve 16.9 X 11.8 Inch Self-Adhesive Wooden Posts Shield Wraps Fits 3 x 3 to 4 x 4 Square and 3 to 5 Round Posts
Emsiok$20.744.2★40 rev
Muzata 1Pack Adjustable Fence Post Protector Range 3.5 to 6 Mailbox Post Protector 4x4 6x6 Protects from Rain Damage M074
Muzata$18.004.8★72 rev
Newest
by launch date
Aglehome Adjustable Post Protector 304 Stainless Steel Mailbox Post Protector Post Base Protectors for Wooden Mailbox Deck Fences Swing - 1 Pack Black
aglehome$21.0049 rev
Yartro 1 Set Post Protector for Wood Mailbox and Fence Adjustable Stainless Steel Guard Shield for Lawn Mower and Weather Damage (Range 3.3-6 Inch White)
Yartro$19.966 rev
RotGuard 4x4 Series Heavy Duty Fence Post Base Protector Ultimate Protection Against Moisture Rot and Wood Damage 25-Year Guarantee (2 Pack)
Fence Armor$13.689 rev
Jieting 6 Pcs Fence Post Protection Wraps 17x12 Waterproof Anti-Rot PVC Sleeves for 3x3 to 4x4 Square & 35 Round Wood Posts Outdoor Fence Post Guard
Jieting$14.106 rev
6 PCS Fence Post Protector Guard Black Wood Fence Post Rot Protection Sleeve 16.9 X 11.8 Inch Self-Adhesive Wooden Posts Shield Wraps Fits 3 x 3 to 4 x 4 Square and 3 to 5 Round Posts
Emsiok$20.7440 rev
Trending
90-day click momentumAglehome Adjustable Post Protector 304 Stainless Steel Mailbox Post Protector Post Base Protectors for Wooden Mailbox Deck Fences Swing - 1 Pack Black
aglehome$21.004.8★
Post Shields 4x4 Post Protector - Fits Standard 3.5x3.5 Wood or Metal Posts - 4in High - Easy Install No Tools - Protects Mailbox Deck and Fence Posts from Lawn Maintenance Equipment Damage
Post Shields$9.804.1★
WOCEPU Stainless Steel Adjustable (Range 3.3-6) Post Protector Protects Wooden Mailboxes and Fences from Lawnmower and rain Damage (Black 4 Set)
WOCEPU$55.784.5★
4x4 Rust-Free Adjustable Trimmer Guard for Mailbox Post Protection
Estes Designs Mailbox and Streetscapes$17.774.6★
Yartro 1 Set Post Protector for Wood Mailbox and Fence Adjustable Stainless Steel Guard Shield for Lawn Mower and Weather Damage (Range 3.3-6 Inch White)
Yartro$19.965.0★
What buyers say about post protector
What buyers praise and complain about, mined from review topics.What buyers love
“very easy to assemble”
“It look well made so I am giving my vote of confidence”
“Easy to use”
“Nice Mailbox post base protector”
“Fit is adjustable and looks good”
“Sturdy and easy to install”
“As advertised”
“Good value for the money”
“Stickey and it adhered well to the treated post”
“Works as it should”
What buyers complain about
“So this didn't fit”
“Product has a adhesive back just peel and stick”
“its plastic”
“harder to handle”
“product needs redesigned for thjs price”
“The metal is much thicker than i expected”
“Great post wrap works good a little hard to install at first”
“tends to hold water so the fence posts tend to rot quickly”
“It didnt work”
“needs better instructions and easier installation”
Top return reasons
Common questions
- Is post protector profitable to sell on Amazon United States?
- The niche generates $24K/yr across 35 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +55.6%. Flapen's verdict: Worth a look (53/100).
- How competitive is the post protector niche?
- 23 brands and 30 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in post protector?
- Top complaints mined from reviews: Size-Overall, Adhesion/Stickiness, Material Quality. The return rate is 4.0%.
- What does it cost to enter the post protector niche?
- Listings span $9.69–$87.22; the average listing price is $26.92 (sweet spot $15–$100). The average incumbent carries 289 reviews — the moat a new listing must climb.