16x20 pillow insert
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$18.71avg listing price — sweet spot $15–$100
Price range
Good$8.22–$32.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.8%return rate — above 5% kills the launch gate
Growth
Okay+15.8%90-day search growth — must beat 0% to launch
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad19,606.12avg incumbent reviews — the moat a new listing must climb
Market size
Bad$43K$43K/yr · 17K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 16x20 pillow insert is a $43K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Dec. Verdict: Skip it — 42/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
16x20 pillow insert market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $28K–$37K
- units × avg price
- Conversion rate
- 13.9%
- Avg BSR
- #53
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 65%
- Out of stock
- 5.3%
- Avg brand age
- 59 months
- Avg seller age
- 203 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
7 flat
Sellers
11
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
1%
- MIULEE68%
- Pillowflex22%
- COTTON STICH4%
- Amazon Basics2%
- JIEITIVE2%
- Oubonun1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 87 weeks — +15.8% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.9×
Top 16x20 pillow insert search terms
- 16x20 pillow insert10K/yr
- 16 x 20 pillow insert4K/yr
- 16x20 pillow3K/yr
Top 16x20 pillow insert 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MIULEE 16x20 Pillow Insert Premium Throw Pillow with Virgin Fiber Filling
MIULEE$18.104.7★1,071 rev
MIULEE 12x20 Pillow Insert Throw Pillow for Couch Sofa Bed
MIULEE$9.764.5★38,998 rev
MIULEE 16x20 Inch Throw Pillow Insert for Couch Sofa Bed
MIULEE$18.834.5★38,998 rev
MIULEE 16x20 Inch Pillow Insert Throw Pillow for Bed Sofa Couch
MIULEE$15.904.5★354 rev
Pillowflex Premium Polyester Pillow Insert - 16x20 Soft Decorative Pillow
Pillowflex$24.644.6★7,616 rev
Newest
by launch date
Oubonun 16x20 Throw Pillow Insert Plush and Supportive Decorative Cushion with 100% Cotton Cover for Couch Sofa Bed Chair Pack of 1
Oubonun$20.9314 rev
Amazon Basics Square Hypoallergenic Down Alternative Pillow Insert Machine Washable Softness and Support 20 inch 2-Pack
Amazon Basics$17.541,946 rev
MIULEE 16x20 Down Alternative Pillow Insert Soft Throw Pillow for Sofa Bed
MIULEE$21.13143 rev
MIULEE 16x20 Inch Down Feather Pillow Insert with Cotton Fabric
MIULEE$22.27366 rev
MIULEE 16x20 Inch Pillow Insert Throw Pillow for Bed Sofa Couch
MIULEE$15.90354 rev
Trending
90-day click momentumAmazon Basics Square Hypoallergenic Down Alternative Pillow Insert Machine Washable Softness and Support 20 inch 2-Pack
Amazon Basics$17.544.3★
Oubonun 16x20 Throw Pillow Insert Plush and Supportive Decorative Cushion with 100% Cotton Cover for Couch Sofa Bed Chair Pack of 1
Oubonun$20.934.2★
MIULEE 16x20 Inch Down Feather Pillow Insert with Cotton Fabric
MIULEE$22.274.5★
Pillowflex Premium Polyester Pillow Insert - 16x20 Soft Decorative Pillow
Pillowflex$32.984.8★
MIULEE Pillow Insert 16x20 Inch Decorative Rectangle Throw Pillow Inserts Premium Fluffy Pillow Forms Sham Stuffer for Sofa Couch Living Room
MIULEE$18.864.5★
What buyers say about 16x20 pillow insert
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfect”
“the excellent quality was consistent across all four”
“Perfect accent pillows that are fluffy”
“Fluffy”
“Definitely worth the money”
“Very soft”
“as listed”
“Very comfortable”
“Fluffiness- holds shape-comfortable”
“Very durable”
What buyers complain about
“its just low quality and flat”
“It's so tiny during shipping”
“About 2 inches thick”
“not fluffy”
“dont fully fill my pillowcases”
“NOT worth the price”
“A little too soft”
“It doesnt hold its shape at all”
“flimsy & does NOT hold is shape”
“Cheap feeling material too”
Top return reasons
Common questions
- Is 16x20 pillow insert profitable to sell on Amazon United States?
- The niche generates $43K/yr across 17 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +15.8%. Flapen's verdict: Skip it (42/100).
- How competitive is the 16x20 pillow insert niche?
- 7 brands and 11 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in 16x20 pillow insert?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Thickness. The return rate is 2.8%.
- When does demand for 16x20 pillow insert peak?
- Demand peaks in Dec; the busiest month runs 1.9× the quietest.
- What does it cost to enter the 16x20 pillow insert niche?
- Listings span $8.22–$32.98; the average listing price is $18.71 (sweet spot $15–$100). The average incumbent carries 19,606 reviews — the moat a new listing must climb.