Is relleno para cojines profitable to sell on Amazon United States?

The niche generates $3.4M/yr across 27 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -9.5%. Flapen's verdict: Worth a look (57/100).

How competitive is the relleno para cojines niche?

16 brands and 75 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in relleno para cojines?

Top complaints mined from reviews: Size-Overall, Fluffiness, Value For Money. The return rate is 2.0%.

When does demand for relleno para cojines peak?

Demand peaks in Oct–Nov–Dec; the busiest month runs 13.6× the quietest.

What does it cost to enter the relleno para cojines niche?

Listings span $5.42–$58.85; the average listing price is $16.77 (sweet spot $15–$100). The average incumbent carries 7,040 reviews — the moat a new listing must climb.

relleno para cojines

Worth a look

Shows a $3.4M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible$3.4M

$3.4M/yr · 2.0M searches

Conversion

Great10.0%

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

Price range

Great$5.42–$58.85

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

Avg price

Great$16.77

avg listing price — sweet spot $15–$100

Returns

Great2.0%

return rate — above 5% kills the launch gate

Competition

Okay56%

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

Brand share

Okay83%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,039.63

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-9.5%

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

According to Flapen's Amazon United States niche tracking, relleno para cojines is a $3.4M/yr Amazon United States market (2.0M searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Worth a look — 57/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

relleno para cojines market data

Units sold / yr: 200K–250K; avg 10,000–12,500/product
Revenue / yr: $3.4M–$4.2M; units × avg price
Conversion rate: 10.0%
Avg BSR: #17
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 0.0%
Avg brand age: 42 months
Avg seller age: 147 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

56%

Top 20: 94%

Open market

14%

Poly-Fil55%
Welacer10%
BUTUZE9%
GOMICRAFT6%
Jecqbor3%
Hem Dgpsy2%
Open — no brand owns it (10 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.5% search growth over the last 90 days.

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 13.6×

Open Trend

Top relleno para cojines search terms

polyfill stuffing358K/yr +3.4%9.3% conv.
pillow stuffing337K/yr -9.1%6.2% conv.
polyfill260K/yr -33.2%7.1% conv.
stuffing for stuffed animals197K/yr -11.4%11.2% conv.
pillow stuffing for couch pillows95K/yr -11.4%4.6% conv.
poly filling stuffing82K/yr +20.3%8.4% conv.
poly fil79K/yr -14.5%7.1% conv.
polyfil59K/yr +4.7%8.0% conv.
relleno para cojines61K/yr -4.2%1.4% conv.
pillow filler57K/yr +15.3%3.0% conv.

All search terms

Top relleno para cojines 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Fairfield The Original Poly-Fil Premium Polyester Fiber Fill Soft Pillow Stuffing Stuffing for Stuffed Animals Toys Cloud Decorations and More Machine-Washable Poly-Fil Fiber Fill 32-ounce Bag

Poly-Fil$12.484.8★50,631 rev

Poly-Fil Premium Polyester Fiber Fill by Fairfield 50 oz bag

Poly-Fil$14.884.8★2,941 rev

Poly-fil Fairfield CCDF10 Crafters Choice Dry Packing Fiber Fill 10 Ounce Bag Blue/Orange

Poly-Fil$7.464.8★5,273 rev

Fairfield The Original Poly-Fil Premium Polyester Fiber Fill Soft Pillow Stuffing Stuffing for Stuffed Animals Toys Cloud Decorations and More Machine-Washable Poly-Fil Fiber Fill 5 lbs. Box

Poly-Fil$21.294.8★50,631 rev

Welacer Polyfill Stuffing Fluffy Pillow Stuffing for Stuffed Animals DIY Plush Toys Cushions Cloud Decorations Premium Original White Polyester Filling for Crochet Crafts 2.3lb/36.8oz

Welacer$16.974.7★284 rev

Newest

by launch date

Welacer Added Cotton Polyfill Stuffing 1.1lb/17.6oz Extra Soft Pillow Stuffing Fluffy Fiber Fill for Cushions Stuffed Animals Crochet Toys Crafts & Cloud Decor

Welacer$12.0645 rev

4mo ago

Hem Dgpsy Polyfill Stuffing Fiber Fill 56oz/3.5lbs Safe Pillow Stuffing for Couch Stuffed Animals Cushion Crochet Toys Cloud Decor Crafts White & Clean Polyester Filling Oeko-TEX Certified

Hem Dgpsy$19.4988 rev

6mo ago

Welacer Polyfill Stuffing 3.5oz/100g Premium Polyester Fiber Fill for Stuffed Animals Crochet Toys & DIY Crafts High Resilience Fiberfill Stuffing for Small Projects Machine Washable

Welacer$6.2886 rev

6mo ago

Jecqbor 80oz Soft Polyfill Stuffing Fluffy Pillow Stuffing Filling for Pillow Couch Cushion Cloud Project Stuffed Animal Craft Machine Washable Polyester Fiberfill for Crochet Pet Bed Plushies

Jecqbor$24.55131 rev

8mo ago

Amazon Basics Square Hypoallergenic Pillow Insert Down Alternative Fiberfill Sofa Bed Couch Decorative Stuffer 20 4-Pack

Amazon Basics$23.621,866 rev

9mo ago

What buyers say about relleno para cojines

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

What buyers love

Quality-Overall15%

“Excellent product”

Soft Feel12%

“Soft and fluffy”

Value For Money12%

“Excellent Value”

Size-Overall8%

“Nice fit”

Fluffiness8%

“they are fluffy”

Advertised Vs Actual Product8%

“Better than I expected”

Cushion7%

“Great for bring couch cushions back to life”

Comfort-Overall4%

“Comfy and sturdy”

Ease Of Use3%

“Easy to Use”

Efficiency2%

“It works great and delivers consistent, reliable results”

What buyers complain about

Size-Overall14%

“The bag is small”

Fluffiness11%

“No fluffing whatsoever”

Value For Money10%

“Not a great price”

Advertised Vs Actual Product8%

“Very deceiving”

Quality-Overall7%

“Low quality”

Hard Feel5%

“I found it very scratchy and rough”

Thickness4%

“It was not thick”

Cushion4%

“not enough cushion”

Smell3%

“Chemical smell”

Ease Of Use2%

“To firm for me difficult to work with”

Top return reasons

Size-Overall41%

Advertised Vs Actual Product10%

Value For Money9%

Cushion8%

Material Quality6%

Fluffiness6%

Quality-Overall3%

Color2%

Thin2%

Functionality-Overall2%

Common questions

Is relleno para cojines profitable to sell on Amazon United States?: The niche generates $3.4M/yr across 27 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -9.5%. Flapen's verdict: Worth a look (57/100).
How competitive is the relleno para cojines niche?: 16 brands and 75 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in relleno para cojines?: Top complaints mined from reviews: Size-Overall, Fluffiness, Value For Money. The return rate is 2.0%.
When does demand for relleno para cojines peak?: Demand peaks in Oct–Nov–Dec; the busiest month runs 13.6× the quietest.
What does it cost to enter the relleno para cojines niche?: Listings span $5.42–$58.85; the average listing price is $16.77 (sweet spot $15–$100). The average incumbent carries 7,040 reviews — the moat a new listing must climb.