Is 16x16 pillow inserts profitable to sell on Amazon United States?

The niche generates $1.6M/yr across 21 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.2%. Flapen's verdict: Worth a look (55/100).

How competitive is the 16x16 pillow inserts niche?

13 brands and 18 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in 16x16 pillow inserts?

Top complaints mined from reviews: Fluffiness, Thickness, Size-Overall. The return rate is 2.6%.

When does demand for 16x16 pillow inserts peak?

Demand peaks in Nov–Dec; the busiest month runs 2.3× the quietest.

What does it cost to enter the 16x16 pillow inserts niche?

Listings span $7.84–$22.18; the average listing price is $14.64 (sweet spot $15–$100). The average incumbent carries 22,661 reviews — the moat a new listing must climb.

16x16 pillow inserts

Worth a look

Shows searches that convert (14.1% search→purchase), but a deep review moat (22,661 avg reviews) keeps it on the watch list.

Conversion

Incredible14.1%

search→purchase rate — share of searches ending in a sale

Market size

Great$1.6M

$1.6M/yr · 763K searches

Avg price

Good$14.64

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.6%

return rate — above 5% kills the launch gate

Price range

Good$7.84–$22.18

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Okay65%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+5.2%

90-day search growth — must beat 0% to launch

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Review moat

Bad22,661.48

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, 16x16 pillow inserts is a $1.6M/yr Amazon United States market (763K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

16x16 pillow inserts market data

Units sold / yr: 125K–150K; avg 5,000–6,000/product
Revenue / yr: $1.8M–$2.2M; units × avg price
Conversion rate: 14.1%
Avg BSR: #52
Page quality: 0%
Prime: 100%
Sponsored: 62%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 180 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

65%

Top 20: 99%

Open market

11%

Utopia Bedding47%
LANE LINEN13%
JIEITIVE10%
EDOW10%
OKBA6%
Obruosci3%
Open — no brand owns it (7 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.2% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 2.3×

Open Trend

Top 16x16 pillow inserts search terms

16x16 pillow inserts301K/yr +5.3%14.8% conv.
pillow inserts 16x1683K/yr -0.9%11.2% conv.
16 x 16 pillow inserts76K/yr +8.0%15.7% conv.
16x16 pillows54K/yr +3.5%9.0% conv.
16x16 pillow insert24K/yr +25.1%11.8% conv.
16x16 pillow28K/yr +9.9%10.3% conv.
pillow forms 16x1624K/yr -7.5%11.1% conv.
throw pillow inserts 16x1621K/yr +10.3%8.1% conv.
16x16 throw pillows23K/yr -23.8%5.3% conv.
16 inch pillow insert16K/yr +14.7%12.7% conv.

All search terms

Top 16x16 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Utopia Bedding 16x16 Pillow Inserts White Throw Pillows for Couch 2 Pack

Utopia Bedding$17.204.6★217,964 rev

Utopia Bedding Throw Pillows Decorative 16x16 Pillow Inserts Set of 4

Utopia Bedding$21.204.7★126,455 rev

LANE LINEN Throw Pillow Insert - Pack of 2 16x16 Pillow Inserts for Decorative Pillow Covers Throw Pillows Insert for Couch - White

LANE LINEN$13.294.1★7,373 rev

JIEITIVE Throw Pillow Inserts Hypoallergenic Premium Pillow Stuffer Square Form for Decorative Pillow Covers Cushion Set of 1-16 x 16 Inches

JIEITIVE$8.134.3★2,859 rev

Utopia Bedding 16x16 Throw Pillow Inserts Decorative Pillows Pack of 2

Utopia Bedding$14.984.7★12,576 rev

Newest

by launch date

16x16 Pillow Inserts Throw Pillows for Bed Sofa & Couch - Set of 2 White

CGK Unlimited$16.29178 rev

7mo ago

Martex Decorative Throw Pillow Inserts White 16 x 16 Pack of 2

Martex$9.97147 rev

9mo ago

OKBA Set of 2 Throw Pillow Inserts Hypoallergenic Soft & Firm Cushions with 100% Cotton Cover 16x16 Pillows Filler for Side Sleepers Sofa Bed and Home Decor Indoor Quality Hotel Pillows

OKBA$14.97356 rev

11mo ago

Utopia Bedding Throw Pillows 16x16 Pillow Inserts Pack of 1 White

Utopia Bedding$12.38753 rev

1y ago

Throw Pillows Insert Set of 2 White 16x16 in Pillow Inserts with 100% Cotton Cover Bed and Couch Decorative Stuffer Pillows Indoor Pillows for Sofa

ORJ$15.89895 rev

1y ago

What buyers say about 16x16 pillow inserts

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall17%

“Fit nicely”

Quality-Overall16%

“Excellent quality”

Soft Feel11%

“The pillow is soft”

Advertised Vs Actual Product9%

“As advertised”

Cushion8%

“with the new pillow covers on them it makes my sofa look so good”

Fluffiness8%

“They're very soft and fluffy”

Value For Money8%

“GREAT Price”

Comfort-Overall3%

“Comfortable”

Foam3%

“Cute pillows”

Shape/Style2%

“These are flattering”

What buyers complain about

Fluffiness18%

“Didn't fluff up”

Thickness17%

“More dense than I expected”

Size-Overall14%

“Not the right size”

Cushion11%

“NOT enough filling”

Quality-Overall9%

“Not great quality”

Advertised Vs Actual Product4%

“Not as described”

Strength3%

“They are so flimsy even when fluffed up”

Value For Money3%

“Not worth the money”

Shape/Style3%

“Its really hard to get them back in shape”

Material Quality2%

“are also in a cheap gauzy like fabric”

Top return reasons

Size-Overall57%

Cushion13%

Advertised Vs Actual Product7%

Fluffiness5%

Quality-Overall4%

Value For Money3%

Thin3%

Thickness2%

Soft Feel1%

Shape/Style1%

Common questions

Is 16x16 pillow inserts profitable to sell on Amazon United States?: The niche generates $1.6M/yr across 21 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.2%. Flapen's verdict: Worth a look (55/100).
How competitive is the 16x16 pillow inserts niche?: 13 brands and 18 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in 16x16 pillow inserts?: Top complaints mined from reviews: Fluffiness, Thickness, Size-Overall. The return rate is 2.6%.
When does demand for 16x16 pillow inserts peak?: Demand peaks in Nov–Dec; the busiest month runs 2.3× the quietest.
What does it cost to enter the 16x16 pillow inserts niche?: Listings span $7.84–$22.18; the average listing price is $14.64 (sweet spot $15–$100). The average incumbent carries 22,661 reviews — the moat a new listing must climb.