Is crushed walnut shells profitable to sell on Amazon United States?

The niche generates $71K/yr across 20 tracked products. 90-day search growth is -6.9%. Flapen's verdict: Skip it (45/100).

How competitive is the crushed walnut shells niche?

13 brands and 37 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 73% of demand.

What do buyers complain about in crushed walnut shells?

Top complaints mined from reviews: Value For Money, Size-Overall, Stale/Rotten/Spoiled. The return rate is 0.5%.

When does demand for crushed walnut shells peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the crushed walnut shells niche?

Listings span $5.08–$30.06; the average listing price is $18.84 (sweet spot $15–$100). The average incumbent carries 606 reviews — the moat a new listing must climb.

crushed walnut shells

Skip it

A small market ($71K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Great$18.84

avg listing price — sweet spot $15–$100

Review moat

Good605.8

avg incumbent reviews — the moat a new listing must climb

Price range

Good$5.08–$30.06

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

Conversion

Good4.9%

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

Brand share

Good73%

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

Competition

Okay63%

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

Growth

Bad-6.9%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad$71K

$71K/yr · 76K searches

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, crushed walnut shells is a $71K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 45/100.

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

crushed walnut shells market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $75K–$94K; units × avg price
Conversion rate: 4.9%
Avg BSR: #183
Page quality: 0%
Prime: 65%
Sponsored: 65%
Out of stock: 5.5%
Avg brand age: 57 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

21%

Qusfa25%
PlumEasy Patterns22%
Generic12%
INTERACTIVIA7%
Frankford Arsenal6%
Industrial Mineral Supply6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top crushed walnut shells search terms

crushed walnut shells22K/yr +2.4%4.1% conv.
crushed walnut shells for pincushions15K/yr -12.1%7.0% conv.
walnut shells13K/yr -1.5%3.2% conv.
ground walnut shells7K/yr -19.9%4.5% conv.
walnut shells for crafts9K/yr -4.2%2.4% conv.
walnut shell4K/yr +1.7%2.4% conv.
ground walnut shells for pincushions4K/yr -23.7%8.5% conv.
walnut shells for pin cushion3K/yr -23.3%6.0% conv.

All search terms

Top crushed walnut shells 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Qusfa Crushed Walnut Shells for Pincushions (12 oz / 340gr) Ground Walnut Shells Filler for Crafts Needle Sharpening & DIY Projects | Natural Biodegradable & Fine Grit Walnut Shell Powder

Qusfa$12.994.6★105 rev

Ground Walnut Shells by Plum Easy Patterns - 11 oz Bag

PlumEasy Patterns$9.834.7★755 rev

Generic Crushed Walnut Shells and Emery Bundle for Pin Cushions and Dimensional Crafts

Generic$19.024.8★128 rev

GRITSMITH 18-40 Grit Ground Walnut Shell Media (5 LBS / 2.3 KG) - Fine Grit for Tumbling Blasting Vibratory Polishing Deburring Anti-Skid Fillers

GRITSMITH$21.944.7★278 rev

Frankford Arsenal 15 lb Bag of Walnut Hull Media for Case Tumbling Ammo Reloading and Shooting Bags

Frankford Arsenal$26.254.7★2,671 rev

Newest

by launch date

Qusfa Crushed Walnut Shells for Pincushions (12 oz / 340gr) Ground Walnut Shells Filler for Crafts Needle Sharpening & DIY Projects | Natural Biodegradable & Fine Grit Walnut Shell Powder

Qusfa$12.99105 rev

1y ago

5 lbs 18/40 Grit Ground Walnut Shells Fine Grit for Tumbling Blasting Vibratory Polishing Deburring Anti-Skid Fillers

HDURCIR$21.5087 rev

1y ago

GRITSMITH 18-40 Grit Ground Walnut Shell Media (5 LBS / 2.3 KG) - Fine Grit for Tumbling Blasting Vibratory Polishing Deburring Anti-Skid Fillers

GRITSMITH$21.94278 rev

2y ago

Galpagos (05074) Walnut Bedding Natural Crushed Walnut Shell Substrate - Ideal for Bearded Dragons Reptiles Birds & Terrariums - Absorbent & Easy-to-Clean Reptile Bedding 8 QT Natural

Natural Pack Galapagos$19.2654 rev

3y ago

JSP Crushed Walnut Shell .85-3.35mm 6/20 5 lbS

JSP$19.947 rev

4y ago

What buyers say about crushed walnut shells

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

What buyers love

Value For Money18%

“Good price”

Quality-Overall17%

“The product was fair”

Advertised Vs Actual Product15%

“As per description”

Freshness10%

“They were fresh”

Taste-Overall10%

“best taste”

Ease Of Cleaning9%

“Perfect for intake valve cleaning”

Efficiency3%

“Does Good Job”

Ease Of Use2%

“easy to use”

Cushion2%

“Perfect for my pin cushions”

Size-Overall2%

“It's a very consistent size”

What buyers complain about

Value For Money23%

“Wish they were a little bit cheaper”

Size-Overall19%

“Disappointed in Size”

Stale/Rotten/Spoiled10%

“Gross”

Durability8%

“Broke down after one use”

Ease Of Cleaning4%

“Does not clean that good”

Absorbency4%

“package reads non-absorbent making it useless for bird trays”

Ease Of Use4%

“hard to open needed hammer some were BAD”

Hard Feel4%

“hard”

Advertised Vs Actual Product4%

“Definitely does not work as described”

Quality-Overall2%

“Poor Amazon quality assurance”

Top return reasons

Size-Overall42%

Functionality-Overall15%

Advertised Vs Actual Product10%

Value For Money8%

Leak-Proof4%

Product Condition3%

Powdered/Crumbled3%

Material Quality2%

Compatibility-Overall2%

Jamming/Clogging2%

Common questions

Is crushed walnut shells profitable to sell on Amazon United States?: The niche generates $71K/yr across 20 tracked products. 90-day search growth is -6.9%. Flapen's verdict: Skip it (45/100).
How competitive is the crushed walnut shells niche?: 13 brands and 37 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 73% of demand.
What do buyers complain about in crushed walnut shells?: Top complaints mined from reviews: Value For Money, Size-Overall, Stale/Rotten/Spoiled. The return rate is 0.5%.
When does demand for crushed walnut shells peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the crushed walnut shells niche?: Listings span $5.08–$30.06; the average listing price is $18.84 (sweet spot $15–$100). The average incumbent carries 606 reviews — the moat a new listing must climb.