---
title: "Poster Board Letters — $84K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/poster-board-letters"
last_updated: "2026-08-10T01:32:01.493Z"
locale: en
meta:
description: "Niche score 44/100 · $84K/yr market · 285K searches/yr · $9.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $84K/yr market · 285K searches/yr · $9.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Poster Board Letters — $84K/yr Amazon US Niche (2026) - Flapen"
---
# **poster board letters**
**Skip it**
A small market ($84K/yr) — this niche doesn't clear our bar today.
Market size 21Growth 21Conversion 39Competition 81Returns 49Price range 35Avg price 29Brand share 62Review moat 70Quality gap 37
**Competition**
**Great****34%**
top-5 click share — an open shelf
**Review moat**
**Good****700.1**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****3.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****3.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$5.23–$20.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$9.46**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****$84K**
$84K/yr · 285K searches
**Growth**
**Bad****-8.9%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, poster board letters is a $84K/yr Amazon United States market (285K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Feb–Apr–May–Oct. Verdict: Skip it — 44/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **poster board letters market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$142K–$189K**
- units × avg price
- **Conversion rate**
- **3.1%**
- **Avg BSR**
- **#285**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **100%**
- **Out of stock**
- **13.5%**
- **Avg brand age**
- **95 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.
**Brands**
**31 **▲rising
**Sellers**
**73**
**Top-5 brand share**
**68%**
Top 20: 95%
**Top-5 click share**
**34%**
Top 20: 73%
**Open market**
**28%**
- Metsyth18% - Auteard17% - Carson Dellosa Education15% - ArtSkills12% - Timenued6% - CMBBZZY4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.9% search growth over the last 90 days.
10K6KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Apr, May, Oct · busiest ÷ quietest = 3.3×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/poster-board-letters/trend)
## **Top poster board letters search terms**
- **letters for poster board**59K/yr+7.2%3.8% conv. - **poster board letters**59K/yr-26.0%3.4% conv. - **poster letters**50K/yr-8.6%3.5% conv. - **poster letters self adhesive**19K/yr-22.5%4.6% conv. - **stick on letters for poster board**14K/yr-23.3%4.3% conv. - **sticky letters for poster board**12K/yr-12.1%4.7% conv. - **poster board letters self adhesive**12K/yr-21.5%5.7% conv. - **poster board stickers**10K/yr-6.8%1.9% conv. - **big letters stickers**6K/yr+38.9%0.9% conv. - **large stick on letters**5K/yr+41.6%1.8% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/poster-board-letters/search-terms)
## **Top poster board letters 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.
0%2%$2K4%$3K6%$5K8%$7K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ArtSkills Paper Poster Letters and Numbers for Projects and Crafts 4 and 2.5 Black 150 Pieces - Multiple Sheets Per Letter Pad**ArtSkills**$5.80**4.0★1,403 rev](https://www.amazon.com/dp/B01AKRO0DK) [2**Carson Dellosa 219-Piece Black Cutout Letters 4 Upper and Lowercase Alphabet Numbers Punctuation and Symbols for Bulletin Board Posterboard Party and Classroom Decor**Carson Dellosa Education**$12.08**4.7★4,744 rev](https://www.amazon.com/dp/B08QY9MG9Z) [3**Letter Stickers Large 108 PCS Bulletin Board Letters 12 Sheets Alphabet Stickers Vinyl Self-Adhesive Stick on Letters for Poster Board Mailbox Sign DIY Crafts Classroom Party Decor(Colorful 4 Inch)**Auteard**$7.46**4.7★41 rev](https://www.amazon.com/dp/B0GHFBN1MB) [4**Carson Dellosa 219 Piece 4 Inch Gold Glitter Bulletin Board Letters for Classroom Alphabet Letters Numbers Punctuation & Symbols Cut Out Letters for Bulletin Board**Carson Dellosa Education**$12.64**4.7★879 rev](https://www.amazon.com/dp/1483842371) [5**Letter Stickers 30 Sheets 1500 PCS Large Alphabet Stickers 2 Inch Vinyl Self Adhesive Stick on Sticker for Water Bottles Cup Mailbox Number Address Craft Scrapbooking Bulletin Board Decor Multicolor**Metsyth**$9.88**4.7★510 rev](https://www.amazon.com/dp/B0CXPSGK36)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**150 PCS Letter Stickers Bulletin Board Letters 12 Sheets Large Alphabet Number Stickers Waterproof Vinyl Self-Adhesive Letters for Poster Board Mailbox Crafts Classroom Home Party Decor(Black 4 Inch)**Huimdery**$7.67**10 rev4mo ago](https://www.amazon.com/dp/B0GR98MJ4X) [**Bulletin Board Letters 132 Pcs 12 Sheets Large Letter Stickers Vinyl Self-Adhesive Alphabet Stickers Uppercase A-Z Letters for Poster Board Mailbox Party Classroom Decor DIY Crafts (2.5 Inch Boho)**Auteard**$6.68**15 rev5mo ago](https://www.amazon.com/dp/B0GKD5Z1ZD) [**Letter Stickers Large Bulletin Board Letters for Classroom 12 Sheets 150 Pcs Alphabet Stickers Big Self Adhesive Vinyl Letter Stickers for Poster Board Display Chalkboard Mailbox Decor(Black 3 Inch)**Auteard**$7.79**25 rev5mo ago](https://www.amazon.com/dp/B0GJ5JV371) [**Letter Stickers Large 108 PCS Bulletin Board Letters 12 Sheets Alphabet Stickers Vinyl Self-Adhesive Stick on Letters for Poster Board Mailbox Sign DIY Crafts Classroom Party Decor(Colorful 4 Inch)**Auteard**$7.46**41 rev5mo ago](https://www.amazon.com/dp/B0GHFBN1MB) [**Letter Stickers Large 108 PCS Bulletin Board Letters 12 Sheets Alphabet Stickers Vinyl Self-Adhesive Stick on Letters for Poster Board Mailbox Sign DIY Crafts Classroom Party Decor(Black 4 Inch)**Auteard**$6.94**41 rev5mo ago](https://www.amazon.com/dp/B0GHF4QT9C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Letter Stickers Large 108 PCS Bulletin Board Letters 12 Sheets Alphabet Stickers Vinyl Self-Adhesive Stick on Letters for Poster Board Mailbox Sign DIY Crafts Classroom Party Decor(Black 4 Inch)**Auteard**$6.94**4.7★**▲ 257%**](https://www.amazon.com/dp/B0GHF4QT9C) [**Bulletin Board Letters 132 Pcs 12 Sheets Large Letter Stickers Vinyl Self-Adhesive Alphabet Stickers Uppercase A-Z Letters for Poster Board Mailbox Party Classroom Decor DIY Crafts (2.5 Inch Boho)**Auteard**$6.68**4.6★**▲ 254%**](https://www.amazon.com/dp/B0GKD5Z1ZD) [**150 PCS Letter Stickers Bulletin Board Letters 12 Sheets Large Alphabet Number Stickers Waterproof Vinyl Self-Adhesive Letters for Poster Board Mailbox Crafts Classroom Home Party Decor(Black 4 Inch)**Huimdery**$7.67**4.7★**▲ 253%**](https://www.amazon.com/dp/B0GR98MJ4X) [**Letter Stickers Large Bulletin Board Letters for Classroom 12 Sheets 150 Pcs Alphabet Stickers Big Self Adhesive Vinyl Letter Stickers for Poster Board Display Chalkboard Mailbox Decor(Black 3 Inch)**Auteard**$7.79**4.1★**▲ 234%**](https://www.amazon.com/dp/B0GJ5JV371) [**Letter Stickers Large 108 PCS Bulletin Board Letters 12 Sheets Alphabet Stickers Vinyl Self-Adhesive Stick on Letters for Poster Board Mailbox Sign DIY Crafts Classroom Party Decor(Colorful 4 Inch)**Auteard**$7.46**4.7★**▲ 233%**](https://www.amazon.com/dp/B0GHFBN1MB)
**~~View all trending →~~**
## **What buyers say about poster board letters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“Great variety”*
**Size-Overall**12%
*“I love the size”*
**Adhesion/Stickiness**11%
*“easy to stick”*
**Color**11%
*“variety of colors”*
**Ease Of Use**10%
*“EASY TO USE”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Value For Money**6%
*“Good deal”*
**Durability**3%
*“They are durable”*
**Design-Overall**2%
*“Overall, a very useful decoration set”*
**Brightness/Shine/Glow**2%
*“Bright Gold shiny and easy to see”*
### **What buyers complain about **
**Adhesion/Stickiness**30%
*“NOT adhesive”*
**Size-Overall**13%
*“This was not what expected did not like the size”*
**Value For Money**8%
*“i wish these were a little cheaper in price”*
**Ease Of Use**5%
*“are hard to remove after”*
**Quality-Overall**5%
*“Garbage product”*
**Advertised Vs Actual Product**4%
*“Color Not As Advertised”*
**Durability**4%
*“They fell off quickly”*
**Thickness**3%
*“Oh and as another person commented, they are very thin,”*
**Display Colors**2%
*“I could only mark one side because I only had one 'U' in that color”*
**Compatibility-Overall**1%
*“Did not work on vinyl siding”*
### **Top return reasons **
**Size-Overall**65%
**Adhesion/Stickiness**9%
**Color**7%
**Value For Money**6%
**Advertised Vs Actual Product**5%
**Display Colors**1%
**Product Condition**1%
**Functionality-Overall**1%
**Defective Material/Parts**1%
**Quality-Overall**1%
## **Common questions**
- **Is poster board letters profitable to sell on Amazon United States?**
- The niche generates $84K/yr across 61 tracked products. 3 of 18 products launched in the last 360 days are still selling. 90-day search growth is -8.9%. Flapen's verdict: Skip it (44/100).
- **How competitive is the poster board letters niche?**
- 31 brands and 73 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in poster board letters?**
- Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Value For Money. The return rate is 3.1%.
- **When does demand for poster board letters peak?**
- Demand peaks in Feb–Apr–May–Oct; the busiest month runs 3.3× the quietest.
- **What does it cost to enter the poster board letters niche?**
- Listings span $5.23–$20.33; the average listing price is $9.46 (sweet spot $15–$100). The average incumbent carries 700 reviews — the moat a new listing must climb.
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