---
title: "Ninja Grill Cover — $90K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/ninja-grill-cover"
last_updated: "2026-08-10T01:50:37.038Z"
locale: en
meta:
description: "Niche score 49/100 · $90K/yr market · 24K searches/yr · $28.50 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $90K/yr market · 24K searches/yr · $28.50 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ninja Grill Cover — $90K/yr Amazon US Niche (2026) - Flapen"
---
# **ninja grill cover**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 23Growth 85Conversion 96Competition 16Returns 56Price range 90Avg price 95Brand share 0Review moat 73Quality gap 19
**Conversion**
**Incredible****13.1%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$28.50**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.37–$84.44**
cheapest 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**
**Good****567.18**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$90K**
$90K/yr · 24K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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.
1K600Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/ninja-grill-cover/trend)
## **Top ninja grill cover search terms**
- **ninja woodfire grill cover**10K/yr+85.3%12.6% conv. - **ninja grill cover**8K/yr+111.5%9.0% conv. - **ninja cover**3K/yr+45.9%3.2% conv. - **ninja woodfire cover**3K/yr+65.1%14.1% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/ninja-grill-cover/search-terms)
## **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.
0%10%$9K20%$18K30%$27K40%$36K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Grill Cover for Ninja Woodfire OG300/700 Series with Pocket Cover Only**TRAVELIT**$17.73**4.7★602 rev](https://www.amazon.com/dp/B0C2V2992H) [2**Ninja Premium Outdoor Cover | Compatible with Woodfire Grills (Original Model) | Water-Resistant | Anti-Fade Fabric | Lightweight | Black | 19 x 24 x 13 | XSKCOVER**Ninja**$17.24**4.7★2,763 rev](https://www.amazon.com/dp/B0B9T9M95G) [3**Grill Cover for Ninja Woodfire Pro Premium XL OG800/900 Series Cover Only**TRAVELIT**$20.18**4.7★709 rev](https://www.amazon.com/dp/B0CP8BDS7J) [4**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**$24.56**4.8★622 rev](https://www.amazon.com/dp/B0CBBV29VB) [5**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**$10.88**4.7★532 rev](https://www.amazon.com/dp/B0CJ31FT5J)
**~~View all top sellers →~~**
### **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**$10.37**85 rev1y ago](https://www.amazon.com/dp/B0FCM1YD4V) [**Grill Cover for Ninja Flex Flame Outdoor Grill PG300 Series Cover Only**TRAVELIT**$44.82**24 rev1y ago](https://www.amazon.com/dp/B0FBRNBYXV) [**Ninja FlexFlame Upgrades Premium Grill Cover Lightweight and Durable UV and Water-Resistant PG300 Series Exclusively fits PG300 Series XSKPGCVR**Ninja**$84.44**85 rev1y ago](https://www.amazon.com/dp/B0DT7JKRP7) [**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**$16.45**60 rev1y ago](https://www.amazon.com/dp/B0DHMZK5JD) [**Grill Cover for Ninja Woodfire on Stand with Two Side Tables Cover Only**TRAVELIT**$42.70**487 rev1y ago](https://www.amazon.com/dp/B0DDWM5DK6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Grill Cover for Ninja Flex Flame Outdoor Grill PG300 Series Cover Only**TRAVELIT**$44.82**4.8★**▲ 143%**](https://www.amazon.com/dp/B0FBRNBYXV) [**Ninja FlexFlame Upgrades Premium Grill Cover Lightweight and Durable UV and Water-Resistant PG300 Series Exclusively fits PG300 Series XSKPGCVR**Ninja**$84.44**4.8★**▲ 105%**](https://www.amazon.com/dp/B0DT7JKRP7) [**Ninja Premium Outdoor Cover | Compatible with Woodfire Grills (Original Model) | Water-Resistant | Anti-Fade Fabric | Lightweight | Black | 19 x 24 x 13 | XSKCOVER**Ninja**$17.24**4.7★**▲ 18%**](https://www.amazon.com/dp/B0B9T9M95G) [**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**$10.37**4.8★**▲ 14%**](https://www.amazon.com/dp/B0FCM1YD4V) [**Grill Cover for Ninja Woodfire OG300/700 Series with Pocket Cover Only**TRAVELIT**$17.73**4.7★**▲ 12%**](https://www.amazon.com/dp/B0C2V2992H)
**~~View all trending →~~**
## **What buyers say about ninja grill cover**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**37%
*“Fits Perfectly”*
**Quality-Overall**20%
*“Great well made cover”*
**Grilling**10%
*“Grille cover fits grille”*
**Durability**5%
*“durable”*
**Advertised Vs Actual Product**5%
*“Does what it's supposed to do”*
**Water Resistance**3%
*“The cover is waterproof”*
**Ease Of Use**2%
*“Easy to use”*
**Drop/Impact Protection**2%
*“Perfect fit and good protection”*
**Value For Money**2%
*“Great look and great price”*
**Ease Of Cleaning**2%
*“Cleaning is simple as well”*
### **What buyers complain about **
**Size-Overall**48%
*“Did not fit well”*
**Grilling**15%
*“BBQ grill covers are usually not this nice”*
**Material Quality**4%
*“This is just a non woven cheap plastic”*
**Quality-Overall**4%
*“Not the quality I was expecting”*
**Design-Overall**4%
*“Poorly designed”*
**Thickness**4%
*“My concern is the material thickness”*
### **Top return reasons **
**Grilling**50%
**Size-Overall**37%
**Advertised Vs Actual Product**4%
**Value For Money**3%
**Thin**1%
**Material Quality**1%
**Functionality-Overall**1%
**Quality-Overall**1%
**Product Condition**1%
**Water Resistance**0%
## **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.
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