ninja grill cover
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.1%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$28.50avg listing price — sweet spot $15–$100
Price range
Great$10.37–$84.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+85.7%90-day search growth — must beat 0% to launch
Review moat
Good567.18avg incumbent reviews — the moat a new listing must climb
Returns
Good2.8%return rate — above 5% kills the launch gate
Market size
Bad$90K$90K/yr · 24K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad81%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ninja grill cover is a $90K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 49/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
ninja grill cover market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $71K–$86K
- units × avg price
- Conversion rate
- 13.1%
- Avg BSR
- #428
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 0.0%
- Avg brand age
- 27 months
- Avg seller age
- 205 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
20
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
0%
- TRAVELIT54%
- Ninja37%
- Unicook4%
- Suphomeware2%
- Demao2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +85.7% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 2.6×
Top ninja grill cover search terms
- ninja woodfire grill cover10K/yr
- ninja grill cover8K/yr
- ninja cover3K/yr
- ninja woodfire cover3K/yr
Top ninja grill cover 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Grill Cover for Ninja Woodfire OG300/700 Series with Pocket Cover Only
TRAVELIT$17.734.7★602 rev
Ninja Premium Outdoor Cover | Compatible with Woodfire Grills (Original Model) | Water-Resistant | Anti-Fade Fabric | Lightweight | Black | 19 x 24 x 13 | XSKCOVER
Ninja$17.244.7★2,763 rev
Grill Cover for Ninja Woodfire Pro Premium XL OG800/900 Series Cover Only
TRAVELIT$20.184.7★709 rev
Ninja Woodfire XL Premium Grill Cover Pro | Compatible with XL Grill & Smoker | UV & Water Resistant | Elastic Drawstring for Snug Fit | Year-Round Protection | 13 x 24 | Black | XSKCOVERXL
Ninja$24.564.8★622 rev
Unicook Grill Cover for Ninja OG700 OG701 OG751 Outdoor Series Heavy Duty Waterproof Woodfire BBQ Cover with Inner Pocket Sealed Team Elastic Closure and Drawstrings Black
Unicook$10.884.7★532 rev
Newest
by launch date
Demao Premium Outdoor Grill Cover 600D Oxford Fabric with Heat-Resistant Lining Fits for Ninja Woodfire Pro Premium XL(OG800&OG900 Series) Weatherproof & Anti-Dust BBQ Protector-Only Cover
Demao$10.3785 rev
Grill Cover for Ninja Flex Flame Outdoor Grill PG300 Series Cover Only
TRAVELIT$44.8224 rev
Ninja FlexFlame Upgrades Premium Grill Cover Lightweight and Durable UV and Water-Resistant PG300 Series Exclusively fits PG300 Series XSKPGCVR
Ninja$84.4485 rev
Suphomeware Grill Cover for Ninja OG700 Series Outdoor Grill Heavy Duty Woodfire BBQ Grill Accessories Waterproof Grill Cover Cpmpatible with Ninja Smoker Grill OG701 & OG751 Series etc.
Suphomeware$16.4560 rev
Grill Cover for Ninja Woodfire on Stand with Two Side Tables Cover Only
TRAVELIT$42.70487 rev
Trending
90-day click momentumGrill Cover for Ninja Flex Flame Outdoor Grill PG300 Series Cover Only
TRAVELIT$44.824.8★
Ninja FlexFlame Upgrades Premium Grill Cover Lightweight and Durable UV and Water-Resistant PG300 Series Exclusively fits PG300 Series XSKPGCVR
Ninja$84.444.8★
Ninja Premium Outdoor Cover | Compatible with Woodfire Grills (Original Model) | Water-Resistant | Anti-Fade Fabric | Lightweight | Black | 19 x 24 x 13 | XSKCOVER
Ninja$17.244.7★
Demao Premium Outdoor Grill Cover 600D Oxford Fabric with Heat-Resistant Lining Fits for Ninja Woodfire Pro Premium XL(OG800&OG900 Series) Weatherproof & Anti-Dust BBQ Protector-Only Cover
Demao$10.374.8★
Grill Cover for Ninja Woodfire OG300/700 Series with Pocket Cover Only
TRAVELIT$17.734.7★
What buyers say about ninja grill cover
What buyers praise and complain about, mined from review topics.What buyers love
“Fits Perfectly”
“Great well made cover”
“Grille cover fits grille”
“durable”
“Does what it's supposed to do”
“The cover is waterproof”
“Easy to use”
“Perfect fit and good protection”
“Great look and great price”
“Cleaning is simple as well”
What buyers complain about
“Did not fit well”
“BBQ grill covers are usually not this nice”
“This is just a non woven cheap plastic”
“Not the quality I was expecting”
“Poorly designed”
“My concern is the material thickness”
Top return reasons
Common questions
- Is ninja grill cover profitable to sell on Amazon United States?
- The niche generates $90K/yr across 11 tracked products. 90-day search growth is +85.7%. Flapen's verdict: Skip it (49/100).
- How competitive is the ninja grill cover niche?
- 5 brands and 20 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in ninja grill cover?
- Top complaints mined from reviews: Size-Overall, Grilling, Material Quality. The return rate is 2.8%.
- When does demand for ninja grill cover peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 2.6× the quietest.
- What does it cost to enter the ninja grill cover niche?
- Listings span $10.37–$84.44; the average listing price is $28.50 (sweet spot $15–$100). The average incumbent carries 567 reviews — the moat a new listing must climb.