12x16 pillow inserts
Worth a lookShows searches that convert (13.0% search→purchase), but a small market ($102K/yr) keeps it on the watch list.
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.64avg listing price — sweet spot $15–$100
Price range
Great$9.76–$31.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+32.7%90-day search growth — must beat 0% to launch
Returns
Good2.9%return rate — above 5% kills the launch gate
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$102K$102K/yr · 44K searches
Review moat
Bad4,451.05avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 12x16 pillow inserts is a $102K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jul. Verdict: Worth a look — 50/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
12x16 pillow inserts market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $88K–$106K
- units × avg price
- Conversion rate
- 13.0%
- Avg BSR
- #73
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 67%
- Out of stock
- 8.0%
- Avg brand age
- 55 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
17
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
62%
Top 20: 99%
Open market
16%
- Oubonun26%
- MIULEE17%
- Fairfield16%
- Pillowflex13%
- ROYALE LINENS7%
- Artscope6%
- Open — no brand owns it (7 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +32.7% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.6×
Top 12x16 pillow inserts search terms
- 12x16 pillow insert19K/yr
- 12x16 pillow9K/yr
- 12 x 16 pillow insert8K/yr
- boudoir pillow4K/yr
- 12 x 16 pillow4K/yr
Top 12x16 pillow inserts 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 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fairfield Poly-Fil Basic Pillow Inserts Ideal for Decorative Pillows Travel Pillows and Home Decor Zippered Non-Woven Cover Spot Clean Rectangle 12 X 16 White
Fairfield$9.834.6★104 rev
Oubonun 12 x 16 Throw Pillow Inserts - Soft Plush & Decorative Down Alternative Pillows for Couch Sofa Bed Machine Washable - White Pack of 2
Oubonun$16.514.5★1,104 rev
MIULEE 12x16 Pillow Insert Premium Throw Pillow with Virgin Fiber Filling
MIULEE$15.544.7★1,071 rev
Pillowflex Synthetic Down Pillow Insert 12x16 in - Karate Chop Pillow
Pillowflex$21.184.7★11,608 rev
Oubonun 12x16 Throw Pillow Insert Plush and Supportive Decorative Cushion with 100% Cotton Cover for Couch Sofa Bed Chair Pack of 1
Oubonun$18.484.8★16,996 rev
Newest
by launch date
COZY ONE 12x16 Feather Down Lumbar Pillow Inserts 100% Cotton Set of 2
COZY ONE$24.5530 rev
1 MIDDLE ONE 2 Pack Small Pillow 16 X 12 Inches Memory Foam Mini Pillow for Travel Camping Sleeping Nap and Neck Knee Lumbar Support Tiny Cushion for Pet Dogs (Grey)
1 MIDDLE ONE$25.401,255 rev
Oubonun 12 x 16 Throw Pillow Inserts - Soft Plush & Decorative Down Alternative Pillows for Couch Sofa Bed Machine Washable - White Pack of 2
Oubonun$16.511,104 rev
Oubonun 12x16 Throw Pillow Insert Plush and Supportive Decorative Cushion with 100% Cotton Cover for Couch Sofa Bed Chair Pack of 1
Oubonun$18.4816,996 rev
Oubonun 12 x 16 Throw Pillow Inserts Firm and Fluffy Decorative Pillows for Couch Bed Sofa with Soft Cotton Cover White Cushion with Down Alternative Pack of 2
Oubonun$19.493,471 rev
Trending
90-day click momentumCOZY ONE 12x16 Feather Down Lumbar Pillow Inserts 100% Cotton Set of 2
COZY ONE$24.554.7★
Oubonun 12x16 Throw Pillow Insert Plush and Supportive Decorative Cushion with 100% Cotton Cover for Couch Sofa Bed Chair Pack of 1
Oubonun$18.484.8★
Oubonun 12 x 16 Throw Pillow Inserts - Soft Plush & Decorative Down Alternative Pillows for Couch Sofa Bed Machine Washable - White Pack of 2
Oubonun$16.514.5★
1 MIDDLE ONE 2 Pack Small Pillow 16 X 12 Inches Memory Foam Mini Pillow for Travel Camping Sleeping Nap and Neck Knee Lumbar Support Tiny Cushion for Pet Dogs (Grey)
1 MIDDLE ONE$25.404.3★
Artscope Synthetic Down Lumbar Pillow Insert 12x16 Down Alternative Throw Pillow Insert. Ultra Soft Fluffy Sleeping Pillow with 100% Cotton Cover Decorative Pillows-White.
Artscope$15.524.6★
What buyers say about 12x16 pillow inserts
What buyers praise and complain about, mined from review topics.What buyers love
“Great fit”
“Pillow is perfect size for small chair lumbar”
“It appears to be well made”
“Extremely soft”
“So comfortable”
“As advertised”
“So soft and fluffy”
“Worth the price”
“I love these pillows, they are easy to wash and very soft and comfortable”
“Very durable”
What buyers complain about
“Not an exact fit”
“Poor Quality”
“Not a good decorative pillow”
“even though they are a tad thicker than what I really wanted”
“A little too soft”
“flimsy & does NOT hold is shape”
“The name of this item is deceptive”
“Not a Fluffy Pillow”
“they were too uncomfortable”
“Nice pillow just not as soft as I had hoped”
Top return reasons
Common questions
- Is 12x16 pillow inserts profitable to sell on Amazon United States?
- The niche generates $102K/yr across 21 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +32.7%. Flapen's verdict: Worth a look (50/100).
- How competitive is the 12x16 pillow inserts niche?
- 13 brands and 17 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in 12x16 pillow inserts?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Cushion. The return rate is 2.9%.
- When does demand for 12x16 pillow inserts peak?
- Demand peaks in Jul; the busiest month runs 1.6× the quietest.
- What does it cost to enter the 12x16 pillow inserts niche?
- Listings span $9.76–$31.65; the average listing price is $17.64 (sweet spot $15–$100). The average incumbent carries 4,451 reviews — the moat a new listing must climb.