---
title: "Onigiri Mould — £48K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/onigiri-mould"
last_updated: "2026-07-31T23:26:28.137Z"
locale: en
meta:
description: "Niche score 51/100 · £48K/yr market · 130K searches/yr · £6.88 avg price. A small market ($48K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · £48K/yr market · 130K searches/yr · £6.88 avg price. A small market ($48K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Onigiri Mould — £48K/yr Amazon UK Niche (2026) - Flapen"
---
# **onigiri mould**
**Worth a look**
Shows a thin review moat (40 avg reviews), but a small market ($48K/yr) keeps it on the watch list.
Market size 12Growth 14Conversion 62Competition 74Returns 98Price range 14Avg price 19Brand share 94Review moat 98Quality gap 45
**Review moat**
**Incredible****39.59**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****41%**
top-5 brand share — no brand owns this niche
**Competition**
**Good****41%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****5.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£6.88**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-22.9%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£3.69–£16.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£48K**
£48K/yr · 130K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United Kingdom niche tracking, onigiri mould is a £48K/yr Amazon United Kingdom market (130K searches/yr). The top 5 brands hold 41% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **onigiri mould market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£41K–£55K**
- units × avg price
- **Conversion rate**
- **5.4%**
- **Avg BSR**
- **#1,793**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **22 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**42 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**41%**
Top 20: 81%
**Top-5 click share**
**41%**
Top 20: 79%
**Open market**
**53%**
- MUSUBI11% - LSYZHX10% - HJUWANG10% - Lumivra6% - Lioong5% - NEKAPLO5%
## **Demand**
Weekly Amazon search volume, last 31 weeks — -22.9% search growth over the last 90 days.
4K3KSpike '26Dec '25Jan '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/home-garden/onigiri-mould/trend)
## **Top onigiri mould search terms**
- **onigiri mould**90K/yr-21.0%6.0% conv. - **onigiri**20K/yr-27.5%2.3% conv. - **onigiri mold**14K/yr-28.9%3.9% conv. - **onigiri maker**6K/yr-22.1%3.2% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/onigiri-mould/search-terms)
## **Top onigiri mould 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%3%£1K6%£3K9%£4K12%£6K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)4 products 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
[1**MUSUBI Onigiri Mould 3 PCS Rice Ball Mould Mold Maker Kit Sushi Rice Mold for Kids Bento Picnic Sushi DIY**MUSUBI**£6.36**4.5★229 rev](https://www.amazon.co.uk/dp/B0B81BS4R2) [2**HJUWANG Triangle Sushi Mold Plastic Triangle Mold Case DIY Tools Rice Ball Bento Presses (Green)**HJUWANG**£5.93**4.6★141 rev](https://www.amazon.co.uk/dp/B098JVMLSF) [3**6 in 1 Onigiri Mold for Making and Storing Sushi Non-Stick Rice Ball Mold for Seaweed Cilantro Rice Balls Triangle Sushi (Blue)**LSYZHX**£9.06**4.3★13 rev](https://www.amazon.co.uk/dp/B0G4VY5CJW) [4**Onigiri Mould Set - 4 PCS Rice Ball Maker for Sushi & Onigiri | DIY Sushi Making Set | Easy to Use & Clean | Kitchen Accessories**Lumivra**£4.12**4.8★6 rev](https://www.amazon.co.uk/dp/B0FR3MP89W) [5**Lioong Onigiri Mold Triangle Sushi Mold 6 at Once Cavity Press Onigiri Rice Balls Non-Stick Maker Tools for Seaweed Rice Balls Sushi Musubi**Lioong**£6.45**4.4★310 rev](https://www.amazon.co.uk/dp/B0B2P7LM5G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Onigiri Mould Rice Ball Maker Japanese Cooking Tool for Homemade Sushi Compact Food Preparation Accessory for Bento Lunch Box**AUYFUA**£8.00**2 rev2mo ago](https://www.amazon.co.uk/dp/B0GGHRMPML) [**4Pcs Onigiri Mould Set with Spoon & 2 Rectangle Sushi Molds**Szzhantuo**£6.42**0 rev3mo ago](https://www.amazon.co.uk/dp/B0GXF51JXF) [**6 in 1 Onigiri Mold Triangle Onigiri Mould Japanese Aesthetic DIY Rice Ball Mould for Making and Storing Sushi Non-Stick Rice Onigiri Moulds for Seaweed Flakes Cilantro Rice Vegetables (Blue)**Coaklley**£6.63**4 rev3mo ago](https://www.amazon.co.uk/dp/B0GX5BD251) [**6 in 1 Onigiri Mould Triangle Sushi Maker Kit Non-Stick Rice Ball Mold with Scoop for Lunchbox Picnic DIY Sushi Seaweed Wrapper**Solvio**£6.80**0 rev3mo ago](https://www.amazon.co.uk/dp/B0GVFFR5FS) [**Onigiri Mould for Sushi Making Six Squares Triangle Rice Ball Maker 2 in 1 Food Grade Bento Lunch Box for Making and Storing Sushi Easy to Demold Kit for Wakame Seaweed Sheets Rice Balls(Green)**XUXULULUWEIWEI**£5.25**3 rev4mo ago](https://www.amazon.co.uk/dp/B0GTDJLJ1P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**4Pcs Onigiri Mould Set with Spoon & 2 Rectangle Sushi Molds**Szzhantuo**£6.42**0.0★**▲ 294%**](https://www.amazon.co.uk/dp/B0GXF51JXF) [**6 in 1 Onigiri Mould Triangle Sushi Maker Kit Non-Stick Rice Ball Mold with Scoop for Lunchbox Picnic DIY Sushi Seaweed Wrapper**Solvio**£6.80**0.0★**▲ 291%**](https://www.amazon.co.uk/dp/B0GVFFR5FS) [**6 in 1 Onigiri Mold Triangle Onigiri Mould Japanese Aesthetic DIY Rice Ball Mould for Making and Storing Sushi Non-Stick Rice Onigiri Moulds for Seaweed Flakes Cilantro Rice Vegetables (Blue)**Coaklley**£6.63**3.7★**▲ 291%**](https://www.amazon.co.uk/dp/B0GX5BD251) [**Onigiri Mould for Sushi Making Six Squares Triangle Rice Ball Maker 2 in 1 Food Grade Bento Lunch Box for Making and Storing Sushi Easy to Demold Kit for Wakame Seaweed Sheets Rice Balls(Green)**XUXULULUWEIWEI**£5.25**4.1★**▲ 291%**](https://www.amazon.co.uk/dp/B0GTDJLJ1P) [**6 in 1 Onigiri Mold Reusable Bento Box Mold Multi-Functional Triangle Onigiri Mould with Fork Spoon Non-Stick Rice Ball Mould for Easy Shaping Meal Prep Bento Lunch Eaweed Rices Balls Sushi Musubi**LIRONGTAGE**£7.85**0.0★**▲ 286%**](https://www.amazon.co.uk/dp/B0GR93M7F2)
**~~View all trending →~~**
## **What buyers say about onigiri mould**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**22%
*“Easy to use”*
**Quality-Overall**18%
*“Great kit”*
**Value For Money**12%
*“Great value”*
**Ease Of Cleaning**10%
*“Rinses clean effortlessly after every use”*
**Advertised Vs Actual Product**8%
*“As described and as advertised”*
**Size-Overall**3%
*“The portion size is ideal for the whole family”*
**Time Taken**3%
*“It makes onigiri much quicker”*
**Adhesion/Stickiness**2%
*“Non stick surface releases rice perfectly”*
**Baking**2%
*“Great snack maker”*
**Cooking Experience**2%
*“These triangle sushi moulds are a brilliant little kitchen tool that make bento prep so much easier and more fun”*
### **What buyers complain about **
**Ease Of Use**13%
*“Rice sticks and hard to get out of mould, Would be great if it was possible to get the onigiri out of the mould without them breaking up because the onigiri sticks to the mould, will keep it”*
**Adhesion/Stickiness**11%
*“Stickers are very brittle”*
**Size-Overall**11%
*“The lid is smaller than the mould”*
**Compactness**7%
*“Even then it didnt compact enough”*
**Instructions/User Manual/Troubleshooting**7%
*“no instructions which was challenging”*
**Mechanism Issues**3%
*“Mechanism is a bit stiff”*
**Dishwasher Safe**2%
*“There's no mention as to whether its dishwasher safe which is annoying”*
**Advertised Vs Actual Product**2%
*“Title a litlle confusing/misleading”*
**Touch/Button Controls**2%
*“so they are durable even tough ar first sight I tought that bottom button wont hold long”*
**Material Quality**2%
*“Quite a simple bit of plastic”*
### **Top return reasons **
**Size-Overall**32%
**Ease Of Use**10%
**Defective Material/Parts**10%
**Quality-Overall**8%
**Functionality-Overall**8%
**Certifications**4%
**Storage Capacity**4%
**Value For Money**4%
**Locking Mechanism**4%
**Strength**4%
## **Common questions**
- **Is onigiri mould profitable to sell on Amazon United Kingdom?**
- The niche generates £48K/yr across 44 tracked products. 0 of 26 products launched in the last 360 days are still selling. 90-day search growth is -22.9%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the onigiri mould niche?**
- 42 brands and 51 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 41% of demand.
- **What do buyers complain about in onigiri mould?**
- Top complaints mined from reviews: Ease Of Use, Adhesion/Stickiness, Size-Overall. The return rate is 0.3%.
- **What does it cost to enter the onigiri mould niche?**
- Listings span £3.69–£16.78; the average listing price is £6.88 (sweet spot $15–$100). The average incumbent carries 40 reviews — the moat a new listing must climb.
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