Is ninja flex flame grill accessories profitable to sell on Amazon United States?

The niche generates $72K/yr across 27 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +398.1%. Flapen's verdict: Worth a look (65/100).

How competitive is the ninja flex flame grill accessories niche?

13 brands and 34 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in ninja flex flame grill accessories?

Top complaints mined from reviews: Size-Overall, Value For Money, Ease Of Cleaning. The return rate is 0.6%.

What does it cost to enter the ninja flex flame grill accessories niche?

Listings span $11.55–$161.34; the average listing price is $44.51 (sweet spot $15–$100). The average incumbent carries 155 reviews — the moat a new listing must climb.

ninja flex flame grill accessories

Worth a look

Shows demand growing +398.1% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+398.1%

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

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Avg price

Incredible$44.51

avg listing price — sweet spot $15–$100

Review moat

Great155.19

avg incumbent reviews — the moat a new listing must climb

Conversion

Great7.3%

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

Competition

Good43%

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

Price range

Good$11.55–$161.34

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

Brand share

Okay83%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad$72K

$72K/yr · 22K searches

Signals Trending

According to Flapen's Amazon United States niche tracking, ninja flex flame grill accessories is a $72K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 65/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

ninja flex flame grill accessories market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $67K–$89K; units × avg price
Conversion rate: 7.3%
Avg BSR: #440
Page quality: 0%
Prime: 100%
Sponsored: 63%
Out of stock: 12.6%
Avg brand age: 31 months
Avg seller age: 172 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

43%

Top 20: 92%

Open market

13%

Ninja60%
Utheer7%
GLOWYE7%
Kona5%
DcYourHome5%
Sipnore4%
Open — no brand owns it (7 brands, 13%)

Demand

Weekly Amazon search volume, last 46 weeks — +398.1% search growth over the last 90 days.

Open Trend

Top ninja flex flame grill accessories 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★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ninja FlexFlame Upgrades Grease Tray Liners Durable Aluminum Disposable Drip Pans Hassle-Free Cleanup Set of 10 Compatible with PG300 Series XSKGRSTRAYLNR

Ninja$16.034.7★79 rev

Ninja FlexFlame Upgrades Premium Half Griddle Professional-Grade Carbon Steel Griddle Plate with Grease Drain Rust-Resistant Combo Cook Even Heat Compatible with Ninja FlexFlame XSKHLFGRIDLE

Ninja$96.594.5★73 rev

Ninja FlexFlame Upgrades Storage Caddy Holds Up to 10lbs of Spices Rubs & Cooking Utensils Durable Modular Design Extra Storage Space Compatible with PG300 Series XSKSTRGCADDY

Ninja$33.454.3★18 rev

Ninja FlexFlame Upgrades Premium Full Griddle Professional-Grade Carbon Steel Full-Size Griddle Plate with Grease Drain Rust-Resistant Even Heat Compatible with Ninja FlexFlame XSKFULGRIDLE

Ninja$161.344.6★36 rev

Ninja XSKBRUSHXL Woodfire Outdoor Grill Cleaning Brush Compatible with All Ninja Woodfire Outdoor Grills (OG700 OG800 and OG900 Series) Non-Scratch Heat Resistant Scraper Tool Black

Ninja$15.464.6★601 rev

Newest

by launch date

Ninja FlexFlame Upgrades Griddle Scraper Stainless Steel Scrape or Chop Non-Slip Handle Durable Construction Cord for Hanging XSKGRILSCRPR

Ninja$19.630 rev

3mo ago

16in Ceramic Pizza Stone with Pizza Peel Universal Large Pizza Stone Set for Ninja FlexFlame Grill and Othe Oven Models Replaces for Ninja XSKPGPIZASTN for Cooking Bread Calzones and More

PLUSBROIL$50.912 rev

7mo ago

SafBbcue Griddle Warming Rack for Ninja PG300 Series Adjustable Expandable Roast & Smoke Durable Stainless Steel Rack for Ninja FlexFlame Grill Accessories XSKFLDINDRCTRK

SafBbcue$36.48207 rev

11mo ago

Griddle Plate for Ninja FlexFlame PG300 Grills Nonstick Half Griddle Insert for Ninja FlexFlame XSKHLFGRIDLE Grill Replacement Accessories

GLOWYE$66.7011 rev

1y ago

Griddle Warming Rack for Ninja PG300 Series Adjustable Expandable Smoke Rack for Ninja FlexFlame Grill Accessories XSKFLDINDRCTRK

GLOWYE$33.7311 rev

1y ago

What buyers say about ninja flex flame grill accessories

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

What buyers love

Grilling18%

“Just what you need for your grill”

Quality-Overall18%

“Excellent and great quality”

Value For Money12%

“Worth the price”

Size-Overall11%

“Perfect fit”

Advertised Vs Actual Product5%

“As advertised”

Ease Of Use5%

“Easy to use”

Smell4%

“Not too strong scented”

Ease Of Cleaning4%

“wipes clean easily after grilling”

Storage Capacity3%

“Bigee cooking space”

Product Condition2%

“Still looks new”

What buyers complain about

Size-Overall21%

“Way smaller than thought”

Value For Money11%

“a bit expensive”

Ease Of Cleaning9%

“Does not adequately clean a Ninja 7-in-1 grill”

Grilling6%

“BBQ grill covers are usually not this nice”

Thickness5%

“My concern is the material thickness”

Advertised Vs Actual Product5%

“It did not match the advertisement”

Functionality-Overall5%

“Not working for my Ninja woodfire grill”

Quality-Overall5%

“Trash”

Flammable2%

“They dont consistently burn”

Flexibility2%

“Does not fit FLEXFLAME”

Top return reasons

Size-Overall44%

Grilling22%

Advertised Vs Actual Product9%

Weight Heavy3%

Functionality-Overall3%

Defective Material/Parts3%

Wood Quality2%

Material Quality2%