poster board letters
Skip itA small market ($84K/yr) — this niche doesn't clear our bar today.
Competition
Great34%top-5 click share — an open shelf
Review moat
Good700.1avg incumbent reviews — the moat a new listing must climb
Brand share
Good68%top-5 brand share — brands hold most of the demand
Returns
Okay3.1%return rate — above 5% kills the launch gate
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$5.23–$20.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$9.46avg 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
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
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.Peak months: Feb, Apr, May, Oct · busiest ÷ quietest = 3.3×
Top poster board letters search terms
- letters for poster board59K/yr
- poster board letters59K/yr
- poster letters50K/yr
- poster letters self adhesive19K/yr
- stick on letters for poster board14K/yr
- sticky letters for poster board12K/yr
- poster board letters self adhesive12K/yr
- poster board stickers10K/yr
- big letters stickers6K/yr
- large stick on letters5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ArtSkills Paper Poster Letters and Numbers for Projects and Crafts 4 and 2.5 Black 150 Pieces - Multiple Sheets Per Letter Pad
ArtSkills$5.804.0★1,403 rev

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$12.084.7★4,744 rev

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$7.464.7★41 rev

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$12.644.7★879 rev

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$9.884.7★510 rev
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$7.6710 rev

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$6.6815 rev

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$7.7925 rev

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$7.4641 rev

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$6.9441 rev
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$6.944.7★

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$6.684.6★

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$7.674.7★

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$7.794.1★

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$7.464.7★
What buyers say about poster board letters
What buyers praise and complain about, mined from review topics.What buyers love
“Great variety”
“I love the size”
“easy to stick”
“variety of colors”
“EASY TO USE”
“As advertised”
“Good deal”
“They are durable”
“Overall, a very useful decoration set”
“Bright Gold shiny and easy to see”
What buyers complain about
“NOT adhesive”
“This was not what expected did not like the size”
“i wish these were a little cheaper in price”
“are hard to remove after”
“Garbage product”
“Color Not As Advertised”
“They fell off quickly”
“Oh and as another person commented, they are very thin,”
“I could only mark one side because I only had one 'U' in that color”
“Did not work on vinyl siding”
Top return reasons
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.