---
title: "Poly Bags 9x12 — $55K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/poly-bags-9x12"
last_updated: "2026-08-09T21:25:11.071Z"
locale: en
meta:
description: "Niche score 44/100 · $55K/yr market · 13K searches/yr · $25.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $55K/yr market · 13K searches/yr · $25.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Poly Bags 9x12 — $55K/yr Amazon US Niche (2026) - Flapen"
---
# **poly bags 9x12**
**Skip it**
Soft demand (-44.4% this quarter) — this niche doesn't clear our bar today.
Market size 14Growth 3Conversion 98Competition 47Returns 78Price range 82Avg price 95Brand share 41Review moat 37Quality gap 24
**Conversion**
**Incredible****16.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$25.39**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.27–$59.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,826.42**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$55K**
$55K/yr · 13K searches
**Growth**
**Bad****-44.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, poly bags 9x12 is a $55K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 44/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **poly bags 9x12 market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$32K–$38K**
- units × avg price
- **Conversion rate**
- **16.9%**
- **Avg BSR**
- **#150**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **179 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▲rising
**Sellers**
**16**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 96%
**Open market**
**15%**
- Spartan Industrial34% - Muyindo22% - iMailer10% - WIKDAY8% - Belinlen7% - NUITPY5% - Open — no brand owns it (7 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -44.4% search growth over the last 90 days.
500300Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/poly-bags-9x12/trend)
## **Top poly bags 9x12 search terms**
- **9x12 poly bags**5K/yr-4.0%12.7% conv. - **9x12 clear poly bags**4K/yr+24.1%12.1% conv. - **plastic bag 9 x 12 bulk**4K/yr-99.6%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/poly-bags-9x12/search-terms)
## **Top poly bags 9x12 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%$5K20%$11K30%$16K40%$22K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**100 Pieces (9x12 Inch) Clear Plastic Bags for Packaging Clothing & T-Shirts Strong Packing Self Adhesive Cellophane Bag**Muyindo**$9.85**4.7★5,822 rev](https://www.amazon.com/dp/B07FT96QW1) [2**Spartan Industrial - 9 X 12 (1000 Count) Self Seal Clear Poly Bags with Suffocation Warning for Packaging T Shirts - Permanent Adhesive**Spartan Industrial**$49.46**4.7★2,655 rev](https://www.amazon.com/dp/B01MS09FNF) [3**WIKDAY Self Sealing Cellophane Bags 120PCS 9X12 Inches Clear Plastic Shirt Packaging Bags with Seal Sealable for Gift Giving Packaging Products Party Favors Small Business**WIKDAY**$6.27**4.6★692 rev](https://www.amazon.com/dp/B0DK14ZFT5) [4**Belinlen 300 Count 9x12 Inch Self Seal Clear Poly Bags with Suffocation Warning for Packaging Clothing T Shirts Decorative Wrappers and More with Permanent Adhesive(1.5mil)**Belinlen**$22.96**4.7★1,692 rev](https://www.amazon.com/dp/B08SC8MKRK) [5**135 Pcs Clear Cellophane Bags 9x12 Inch Resealable Poly Bag Self Sealing Shirt Bags Clear Bag for Clothes magazine postcard**NUITPY**$7.79**4.5★401 rev](https://www.amazon.com/dp/B0F9X8WKQK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**100 Count 9x12 self sealing Cellophane Bags HUOJI Resealable Clear Poly Bags for Clothes Shirts and Party Favors**HUOJI**$6.67**126 rev10mo ago](https://www.amazon.com/dp/B0FQ5C32SR) [**135 Pcs Clear Cellophane Bags 9x12 Inch Resealable Poly Bag Self Sealing Shirt Bags Clear Bag for Clothes magazine postcard**NUITPY**$7.79**401 rev1y ago](https://www.amazon.com/dp/B0F9X8WKQK) [**WIKDAY Self Sealing Cellophane Bags 120PCS 9X12 Inches Clear Plastic Shirt Packaging Bags with Seal Sealable for Gift Giving Packaging Products Party Favors Small Business**WIKDAY**$6.27**692 rev1y ago](https://www.amazon.com/dp/B0DK14ZFT5) [**9 X 12 Open-End Flat Clear Poly Bags (1000 Count) - 1.1 Mil Plastic Clear Poly Bags for Clothing Packaging Shipping Storage - No Adhesive Strip - Spartan Industrial**Spartan Industrial**$49.02**55 rev2y ago](https://www.amazon.com/dp/B0CKGDWBCG) [**WEPOLY - 9 x 12 (1000 Count) - Clear Poly Bags with Suffocation Warning Self Seal for Packaging Shirts Clothing & FBA - Permanent Adhesive**WEPOLY**$43.10**92 rev3y ago](https://www.amazon.com/dp/B0BV6PTLSM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WIKDAY Self Sealing Cellophane Bags 120PCS 9X12 Inches Clear Plastic Shirt Packaging Bags with Seal Sealable for Gift Giving Packaging Products Party Favors Small Business**WIKDAY**$6.27**4.6★**▲ 127%**](https://www.amazon.com/dp/B0DK14ZFT5) [**100 Count 9x12 self sealing Cellophane Bags HUOJI Resealable Clear Poly Bags for Clothes Shirts and Party Favors**HUOJI**$6.67**4.7★**▲ 125%**](https://www.amazon.com/dp/B0FQ5C32SR) [**GennZee - Clear Poly Bags Ready to Ship Strong Adhesive Strip with Suffocation Warning (9x12 1 000 Pack)**Gennzee**$29.17**4.7★**▲ 51%**](https://www.amazon.com/dp/B08GH5HGQV) [**Spartan Industrial - 9 X 12 (200 Count) Self Seal Clear Poly Bags with Suffocation Warning for Packaging T Shirts - Resealable Glue**Spartan Industrial**$17.26**4.6★**▲ 37%**](https://www.amazon.com/dp/B0BSX85C29) [**9 X 12 Self-Sealing Cellophane Bags (200 Count) Clear Poly Packaging for Shirts Clothing Apparel - Reinforced Resealable Cello Bags for Small Business Shipping - Spartan Industrial**Spartan Industrial**$18.35**4.7★**▲ 35%**](https://www.amazon.com/dp/B07DF9TXRM)
**~~View all trending →~~**
## **What buyers say about poly bags 9x12**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Excellent product, arrived quickly, fulfills what it promises and the quality is very good”*
**Size-Overall**18%
*“fit was perfect”*
**Advertised Vs Actual Product**9%
*“As shown”*
**Value For Money**8%
*“Good value for the product”*
**Adhesion/Stickiness**5%
*“Adhesive is good”*
**Ease Of Use**4%
*“easy to use”*
**Thickness**4%
*“These are just the right thickness”*
**Material Quality**3%
*“The plastic is not crinkly and loud, rather smooth and quiet”*
**Strength**2%
*“it is strong”*
**Recycle/Reuse**2%
*“I love that they can be reopened”*
### **What buyers complain about **
**Thickness**19%
*“Wish they were slightly thicker”*
**Size-Overall**18%
*“Bags were smaller than expected”*
**Ease Of Use**17%
*“It is incredibly difficult to use”*
**Durability**7%
*“the bag will tear”*
**Quality-Overall**5%
*“These bags are junk”*
**Advertised Vs Actual Product**3%
*“Not what I expected”*
**Material Quality**3%
*“Plastic sleeves”*
**Texture/Consistency-Overall**3%
*“horrible texture bags are sick together hard to open”*
**Value For Money**3%
*“a bit expensive”*
**Thin**3%
*“Super thin, Super thin”*
### **Top return reasons **
**Size-Overall**66%
**Thin**8%
**Advertised Vs Actual Product**5%
**Material Quality**5%
**Quality-Overall**3%
**Adhesion/Stickiness**2%
**Value For Money**2%
**Strength**2%
**Thickness**2%
**Ease Of Use**1%
## **Common questions**
- **Is poly bags 9x12 profitable to sell on Amazon United States?**
- The niche generates $55K/yr across 26 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -44.4%. Flapen's verdict: Skip it (44/100).
- **How competitive is the poly bags 9x12 niche?**
- 13 brands and 16 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in poly bags 9x12?**
- Top complaints mined from reviews: Thickness, Size-Overall, Ease Of Use. The return rate is 1.8%.
- **When does demand for poly bags 9x12 peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the poly bags 9x12 niche?**
- Listings span $6.27–$59.22; the average listing price is $25.39 (sweet spot $15–$100). The average incumbent carries 2,826 reviews — the moat a new listing must climb.
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