---
title: "Opsite Post Op 9.5cm X 8.5cm — £45K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/opsite-post-op-9-5cm-x-8-5cm"
last_updated: "2026-07-31T16:25:37.806Z"
locale: en
meta:
description: "Niche score 47/100 · £45K/yr market · 37K searches/yr · £10.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £45K/yr market · 37K searches/yr · £10.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Opsite Post Op 9.5cm X 8.5cm — £45K/yr Amazon UK Niche (2026) - Flapen"
---
# **opsite post op 9.5cm x 8.5cm**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 11Growth 50Conversion 94Competition 37Returns 99Price range 50Avg price 38Brand share 0Review moat 86Quality gap 42
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****272.86**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+20.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****£3.63–£26.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****£10.51**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£45K**
£45K/yr · 37K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, opsite post op 9.5cm x 8.5cm is a £45K/yr Amazon United Kingdom market (37K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **opsite post op 9.5cm x 8.5cm market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **£53K–£63K**
- units × avg price
- **Conversion rate**
- **11.8%**
- **Avg BSR**
- **#489**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **33%**
- **Out of stock**
- **4.1%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**5 **▼falling
**Sellers**
**47**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 99%
**Open market**
**0%**
- Smith & Nephew53% - Opsite39% - Posi Pulse5% - MediSale2% - Cutiderm1%
## **Top opsite post op 9.5cm x 8.5cm search terms**
- **opsite post op 6.5cm x 5cm**10K/yr+20.6%13.8% conv. - **opsite dressings**9K/yr+47.5%9.3% conv. - **opsite**5K/yr+24.8%7.3% conv. - **post op dressings for wounds**4K/yr+20.2%4.4% conv. - **opsite post op**5K/yr+13.5%7.9% conv. - **opsite post op 9.5cm x 8.5cm**4K/yr-29.8%19.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/opsite-post-op-9-5cm-x-8-5cm/search-terms)
## **Top opsite post op 9.5cm x 8.5cm 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%4%£2K8%£4K12%£5K16%£7K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Smith & Nephew 99XX0343 Opsite Plus Waterproof Dressing 6.5cm x 5cm Pack of 25**Smith & Nephew**£10.13**4.5★315 rev](https://www.amazon.co.uk/dp/B00DPL0AVK) [2**Opsite Post-Operative Dressing 9.5 x 8.5 cm**Opsite**£10.20**4.7★623 rev](https://www.amazon.co.uk/dp/B0031MB95O) [3**OPSITE Waterproof Dressings x5 6.5cm x5cm**Smith & Nephew**£3.63**4.4★417 rev](https://www.amazon.co.uk/dp/B004BHDRIK) [4**OPSITE Post-Operative Dressing 8.5X15.5CM (Pack of 20) - Vapour-Permeable Adhesive Film Dressing**Opsite**£13.37**4.7★255 rev](https://www.amazon.co.uk/dp/B003OA971G) [5**Opsite Post-Op 10cm x 12cm Dressing x 10-366-6336**Opsite**£9.99**4.7★36 rev](https://www.amazon.co.uk/dp/B07DM7WYRK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Posi Pulse Assorted Sterile Transparent Island Dressings 32 Pack Waterproof Hypoallergenic Adhesive Wound Plasters Absorbent Pad Individually Wrapped 4 Sizes 50x72mm 60x80mm 80x100mm 80x150mm**Posi Pulse**£8.37**27 rev4mo ago](https://www.amazon.co.uk/dp/B0GSSG31XG) [**Posi Pulse 80mm x 100mm Adhesive Wound Dressings - 10 Packs for Protection from Infection Sterile Individually Wrapped Hypoallergenic Breathable Absorbent for Cuts Grazes Ulcers Sores**Posi Pulse**£5.20**75 rev10mo ago](https://www.amazon.co.uk/dp/B0FPDQDFBZ) [**Cutiderm Adhesive Transparent Waterproof Wound Dressings 60mm x 80mm - Pack of 10 Dressings Plasters**Cutiderm**£5.24**129 rev1y ago](https://www.amazon.co.uk/dp/B0F48QHDVB) [**Posi Pulse Assorted Adhesive Wound Dressings - 32 Packs for Protection from Infection Sterile Individually Wrapped Hypoallergenic Breathable Absorbent for Cuts Grazes Ulcers Sores**Posi Pulse**£8.33**914 rev2y ago](https://www.amazon.co.uk/dp/B0CVSCL83Y) [**Opsite Waterproof Film 6cm x7cm Pack of 5 Dressings**MediSale**£3.68**67 rev7y ago](https://www.amazon.co.uk/dp/B07RJXKMJ2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Posi Pulse Assorted Sterile Transparent Island Dressings 32 Pack Waterproof Hypoallergenic Adhesive Wound Plasters Absorbent Pad Individually Wrapped 4 Sizes 50x72mm 60x80mm 80x100mm 80x150mm**Posi Pulse**£8.37**4.0★**▲ 230%**](https://www.amazon.co.uk/dp/B0GSSG31XG) [**CER Opsite Post Op 6 5x5cm 5pz**Smith & Nephew**£4.59**4.4★**▲ 127%**](https://www.amazon.co.uk/dp/B002WDPDVE) [**Smith & Nephew SJ66000708 Opsite Post-Op Dressing with Pad 6.5cm x 5cm Pack of 100**Smith & Nephew**£21.64**4.4★**▲ 113%**](https://www.amazon.co.uk/dp/B003TT46QI) [**Opsite Post-Operative Dressing 25 x 10 cm**Opsite**£26.39**4.7★**▲ 49%**](https://www.amazon.co.uk/dp/B003OA73UI) [**OPSITE Post-Operative Dressing 8.5X15.5CM (Pack of 20) - Vapour-Permeable Adhesive Film Dressing**Opsite**£13.37**4.7★**▲ 46%**](https://www.amazon.co.uk/dp/B003OA971G)
**~~View all trending →~~**
## **What buyers say about opsite post op 9.5cm x 8.5cm**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Same as hospital quality ones”*
**Adhesion/Stickiness**11%
*“Sticks well”*
**Size-Overall**9%
*“The size is true to fit”*
**Value For Money**7%
*“Good value”*
**Water Resistance**6%
*“provide a protective waterproof barrier”*
**Advertised Vs Actual Product**6%
*“Fantastic, exactly what I was looking for”*
**Ease Of Application**5%
*“Easy to apply”*
**Ease Of Use**4%
*“Very easy to use”*
**Moist/Dry**3%
*“helping protect wounds without trapping moisture”*
**Durability**3%
*“I haven't had one come off or even start to peel off This is more than can be said of many dressings of this type”*
### **What buyers complain about **
**Adhesion/Stickiness**24%
*“unfortunately the adhesion isnt great”*
**Allergies**11%
*“perhaps an allergic reaction”*
**Value For Money**6%
*“Waste of money they didn't even stay stuck for 5 minutes shien plaster are cheaper”*
**Quality-Overall**6%
*“Poor quality”*
**Durability**5%
*“Aint so great had it on for 1 day”*
**Water Resistance**4%
*“Not waterproof”*
**Size-Overall**4%
*“The gauze area size is smaller than the total dressing size”*
**Smell**3%
*“Smells terrible”*
**Advertised Vs Actual Product**3%
*“should not be advertised as such”*
**Ease Of Use**3%
*“Unable to use”*
### **Top return reasons **
**Size-Overall**40%
**Adhesion/Stickiness**21%
**Water Resistance**12%
**Advertised Vs Actual Product**6%
**Quality-Overall**5%
**Contamination**5%
**Value For Money**4%
**Skin Health**2%
**Product Condition**2%
**Cushion**2%
## **Common questions**
- **Is opsite post op 9.5cm x 8.5cm profitable to sell on Amazon United Kingdom?**
- The niche generates £45K/yr across 21 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +20.0%. Flapen's verdict: Skip it (47/100).
- **How competitive is the opsite post op 9.5cm x 8.5cm niche?**
- 5 brands and 47 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in opsite post op 9.5cm x 8.5cm?**
- Top complaints mined from reviews: Adhesion/Stickiness, Allergies, Value For Money. The return rate is 0.2%.
- **What does it cost to enter the opsite post op 9.5cm x 8.5cm niche?**
- Listings span £3.63–£26.39; the average listing price is £10.51 (sweet spot $15–$100). The average incumbent carries 273 reviews — the moat a new listing must climb.
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