---
title: "Padded Envelopes A4 — £101K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/stationery-office-supplies/padded-envelopes-a4"
last_updated: "2026-07-31T14:37:22.158Z"
locale: en
meta:
  description: "Niche score 43/100 · £101K/yr market · 107K searches/yr · £8.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · £101K/yr market · 107K searches/yr · £8.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Padded Envelopes A4 — £101K/yr Amazon UK Niche (2026) - Flapen"
---

# **padded envelopes a4**

**Skip it**

Prices mostly outside the sweet spot ($2.03–$15.38) — this niche doesn't clear our bar today.

Market size 25Growth 22Conversion 90Competition 36Returns 98Price range 3Avg price 24Brand share 49Review moat 64Quality gap 27

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.8%**

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

**Review moat**

**Good****938.8**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****76%**

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

**Competition**

**Okay****63%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****£101K**

£101K/yr · 107K searches

**Avg price**

**Bad****£8.68**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-7.0%**

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

**Price range**

**Bad****£2.03–£15.38**

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

According to Flapen's Amazon United Kingdom niche tracking, padded envelopes a4 is a £101K/yr Amazon United Kingdom market (107K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Dec. Verdict: Skip it — 43/100.

Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **padded envelopes a4 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**13K–15K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£109K–£130K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#40**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**55%**</dd>

<dt>**Sponsored**</dt><dd>**70%**</dd>

<dt>**Out of stock**</dt><dd>**7.7%**</dd>

<dt>**Avg brand age**</dt><dd>**51 months**</dd>

<dt>**Avg seller age**</dt><dd>**182 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**13 **▲rising

**Sellers**

**22**

**Top-5 brand share**

**76%**

Top 20: 100%

**Top-5 click share**

**63%**

Top 20: 100%

**Open market**

**20%**

- NaXew25% - Merrimen19% - Nagsxiw15% - STORM TRADING GROUP10% - Postmaster7% - nu:4%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -7.0% search growth over the last 90 days.

3K2KSpike '24Holiday '24Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

[**Open Trend **](https://flapen.com/research/uk/stationery-office-supplies/padded-envelopes-a4/trend)

## **Top padded envelopes a4 search terms**

- **a4 padded envelopes**31K/yr+11.6%10.2% conv. - **padded envelopes a4**36K/yr-29.8%8.2% conv. - **jiffy bags a4**17K/yr-4.5%8.5% conv. - **a4 bubble envelopes**8K/yr-2.1%7.0% conv. - **bubble envelopes a4**7K/yr+3.7%6.1% conv. - **a4 jiffy bags**6K/yr+6.9%9.5% conv. - **a4 jiffy bags for posting**3K/yr+13.0%9.4% conv. [**All search terms **](https://flapen.com/research/uk/stationery-office-supplies/padded-envelopes-a4/search-terms)

## **Top padded envelopes a4 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%£10K20%£20K30%£30K40%£40K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![NaXew Padded Envelopes A4 with Easy Tear Strip Peel + Seal Bubble Mailer Bags Postal Wrap Envelope Cushioned Protective Packaging 220 x 340 mm (Yellow A4 10pcs)](https://m.media-amazon.com/images/I/41NMGt2T2bL.jpg)**NaXew Padded Envelopes A4 with Easy Tear Strip Peel + Seal Bubble Mailer Bags Postal Wrap Envelope Cushioned Protective Packaging 220 x 340 mm (Yellow A4 10pcs)**NaXew**£7.06**4.6★875 rev](https://www.amazon.co.uk/dp/B0BVM887NB) [2![A4 Padded Bubble Envelopes Bags 4Pcs](https://m.media-amazon.com/images/I/31yIdT3vVBL.jpg)**A4 Padded Bubble Envelopes Bags 4Pcs**Nagsxiw**£4.46**3.9★68 rev](https://www.amazon.co.uk/dp/B0F6Y1QRBT) [3![Padded Envelopes A3 A4 A5 A6 Padded Bubble Envelopes Bags Postal Wrap Envelope](https://m.media-amazon.com/images/I/412qEN8YuqL.jpg)**Padded Envelopes A3 A4 A5 A6 Padded Bubble Envelopes Bags Postal Wrap Envelope**Merrimen**£9.08**4.6★2,636 rev](https://www.amazon.co.uk/dp/B09B4926T6) [4![50 New Gold Padded Bubble Envelopes 240x320mm A4 STG 7](https://m.media-amazon.com/images/I/51evGQBduQL.jpg)**50 New Gold Padded Bubble Envelopes 240x320mm A4 STG 7**STORM TRADING GROUP**£9.06**4.5★814 rev](https://www.amazon.co.uk/dp/B004K2ATIM) [5![Postmaster Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm 20 Pack](https://m.media-amazon.com/images/I/31GTBHYC-cL.jpg)**Postmaster Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm 20 Pack**Postmaster**£8.15**4.4★131 rev](https://www.amazon.co.uk/dp/B0B917NCY9)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![A4 Padded Envelopes 220 x 320mm Bubble Mailers Jiffy Bags Self Seal Water-Resistant Postal Bags for Posting Books Documents & Parcels | The Shipping Shed](https://m.media-amazon.com/images/I/310l-PUdDKL.jpg)**A4 Padded Envelopes 220 x 320mm Bubble Mailers Jiffy Bags Self Seal Water-Resistant Postal Bags for Posting Books Documents & Parcels | The Shipping Shed**The Shipping Shed**£4.38**1 rev2mo ago](https://www.amazon.co.uk/dp/B0H2K8S8PJ) [![UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded Gold Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack](https://m.media-amazon.com/images/I/41RZ+-LGcJL.jpg)**UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded Gold Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack**UK SUPPLIES LIMITED**£8.55**268 rev5mo ago](https://www.amazon.co.uk/dp/B0GPB6DM7B) [![UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded White Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack](https://m.media-amazon.com/images/I/41DLvBCOkQL.jpg)**UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded White Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack**UK SUPPLIES LIMITED**£8.49**224 rev5mo ago](https://www.amazon.co.uk/dp/B0GPBKH19X) [![X-YSUNEAS A4 Black Padded Envelopes 25x30cm Self Seal Bubble Envelopes Lined Poly Mailer Self-Seal for Packaging Shipping Mailing(10Pcs)](https://m.media-amazon.com/images/I/41dL-9w2UvL.jpg)**X-YSUNEAS A4 Black Padded Envelopes 25x30cm Self Seal Bubble Envelopes Lined Poly Mailer Self-Seal for Packaging Shipping Mailing(10Pcs)**X-YSUNEAS**£8.46**10 rev8mo ago](https://www.amazon.co.uk/dp/B0G24F7KSF) [![A4 Padded Bubble Envelopes Bags 4Pcs](https://m.media-amazon.com/images/I/31yIdT3vVBL.jpg)**A4 Padded Bubble Envelopes Bags 4Pcs**Nagsxiw**£4.46**68 rev1y ago](https://www.amazon.co.uk/dp/B0F6Y1QRBT)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![A4 Padded Envelopes 220 x 320mm Bubble Mailers Jiffy Bags Self Seal Water-Resistant Postal Bags for Posting Books Documents & Parcels | The Shipping Shed](https://m.media-amazon.com/images/I/310l-PUdDKL.jpg)**A4 Padded Envelopes 220 x 320mm Bubble Mailers Jiffy Bags Self Seal Water-Resistant Postal Bags for Posting Books Documents & Parcels | The Shipping Shed**The Shipping Shed**£4.38**5.0★**▲ 248%**](https://www.amazon.co.uk/dp/B0H2K8S8PJ) [![UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded White Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack](https://m.media-amazon.com/images/I/41DLvBCOkQL.jpg)**UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded White Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack**UK SUPPLIES LIMITED**£8.49**4.5★**▲ 248%**](https://www.amazon.co.uk/dp/B0GPBKH19X) [![UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded Gold Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack](https://m.media-amazon.com/images/I/41RZ+-LGcJL.jpg)**UK SUPPLIES LIMITED DL A6 A5 A4 A3 Mix Assorted Sizes (Pick Any Pack Size) Padded Gold Bubble Envelopes Peel & Seal Bags Bubble Mailer Postal Wrap Envelope Parcel Mailers for Mailing Goods 10 Pack**UK SUPPLIES LIMITED**£8.55**4.6★**▲ 246%**](https://www.amazon.co.uk/dp/B0GPB6DM7B) [![Postmaster Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm 20 Pack](https://m.media-amazon.com/images/I/31GTBHYC-cL.jpg)**Postmaster Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm 20 Pack**Postmaster**£8.15**4.4★**▲ 237%**](https://www.amazon.co.uk/dp/B0B917NCY9) [![X-YSUNEAS A4 Black Padded Envelopes 25x30cm Self Seal Bubble Envelopes Lined Poly Mailer Self-Seal for Packaging Shipping Mailing(10Pcs)](https://m.media-amazon.com/images/I/41dL-9w2UvL.jpg)**X-YSUNEAS A4 Black Padded Envelopes 25x30cm Self Seal Bubble Envelopes Lined Poly Mailer Self-Seal for Packaging Shipping Mailing(10Pcs)**X-YSUNEAS**£8.46**4.9★**▲ 77%**](https://www.amazon.co.uk/dp/B0G24F7KSF)

**~~View all trending →~~**

## **What buyers say about padded envelopes a4**

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

### **What buyers love **

**Quality-Overall**30%

*“Excellent quality and good padding”*

**Value For Money**30%

*“Affordable price”*

**Size-Overall**11%

*“Good size and nice condition”*

**Advertised Vs Actual Product**9%

*“Does the job”*

**Strength**7%

*“Useful size and strong”*

**Adhesion/Stickiness**5%

*“Has a good amount of adhesive, good size, and good protection”*

**Cushion**3%

*“Well padded and strong”*

**Locking Mechanism**2%

*“keep safe from breakage”*

**Color**2%

*“Great colour”*

### **What buyers complain about **

**Size-Overall**27%

*“Wrong size”*

**Paper Compatibility**20%

*“A4 size document\Paper doesnt fit in the envelope”*

**Adhesion/Stickiness**13%

*“the sticky label is dry so you need to add more tape”*

**Quality-Overall**7%

*“Poor Quality”*

**Value For Money**7%

*“Cheap”*

**Strength**7%

*“These are incredibly flimsy”*

**Ease Of Use**7%

*“it can be quite difficult to get them in”*

**Rope/Wire Tangling**7%

*“Arrived mangled up”*

**Advertised Vs Actual Product**3%

*“Misleading”*

### **Top return reasons **

**Size-Overall**86%

**Advertised Vs Actual Product**3%

**Thickness**3%

**Quality-Overall**3%

**Compatibility-Overall**2%

**Strength**1%

**Adhesion/Stickiness**1%

**Thin**1%

**Moist/Dry**1%

**Color**1%

## **Common questions**

<dl>

<dt>**Is padded envelopes a4 profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £101K/yr across 20 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -7.0%. Flapen's verdict: Skip it (43/100).</dd>

<dt>**How competitive is the padded envelopes a4 niche?**</dt><dd>13 brands and 22 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 76% of demand.</dd>

<dt>**What do buyers complain about in padded envelopes a4?**</dt><dd>Top complaints mined from reviews: Size-Overall, Paper Compatibility, Adhesion/Stickiness. The return rate is 0.3%.</dd>

<dt>**When does demand for padded envelopes a4 peak?**</dt><dd>Demand peaks in Dec; the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the padded envelopes a4 niche?**</dt><dd>Listings span £2.03–£15.38; the average listing price is £8.68 (sweet spot $15–$100). The average incumbent carries 939 reviews — the moat a new listing must climb.</dd>

</dl>

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