poly bags 9x12
Skip itSoft demand (-44.4% this quarter) — this niche doesn't clear our bar today.
Conversion
Incredible16.9%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$25.39avg listing price — sweet spot $15–$100
Price range
Great$6.27–$59.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Review moat
Okay2,826.42avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★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
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.No pronounced peak months · busiest ÷ quietest = 1.6×
Top poly bags 9x12 search terms
- 9x12 poly bags5K/yr
- 9x12 clear poly bags4K/yr
- plastic bag 9 x 12 bulk4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
100 Pieces (9x12 Inch) Clear Plastic Bags for Packaging Clothing & T-Shirts Strong Packing Self Adhesive Cellophane Bag
Muyindo$9.854.7★5,822 rev

Spartan Industrial - 9 X 12 (1000 Count) Self Seal Clear Poly Bags with Suffocation Warning for Packaging T Shirts - Permanent Adhesive
Spartan Industrial$49.464.7★2,655 rev

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$6.274.6★692 rev

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$22.964.7★1,692 rev

135 Pcs Clear Cellophane Bags 9x12 Inch Resealable Poly Bag Self Sealing Shirt Bags Clear Bag for Clothes magazine postcard
NUITPY$7.794.5★401 rev
Newest
by launch date
100 Count 9x12 self sealing Cellophane Bags HUOJI Resealable Clear Poly Bags for Clothes Shirts and Party Favors
HUOJI$6.67126 rev

135 Pcs Clear Cellophane Bags 9x12 Inch Resealable Poly Bag Self Sealing Shirt Bags Clear Bag for Clothes magazine postcard
NUITPY$7.79401 rev

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$6.27692 rev

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$49.0255 rev

WEPOLY - 9 x 12 (1000 Count) - Clear Poly Bags with Suffocation Warning Self Seal for Packaging Shirts Clothing & FBA - Permanent Adhesive
WEPOLY$43.1092 rev
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$6.274.6★

100 Count 9x12 self sealing Cellophane Bags HUOJI Resealable Clear Poly Bags for Clothes Shirts and Party Favors
HUOJI$6.674.7★

GennZee - Clear Poly Bags Ready to Ship Strong Adhesive Strip with Suffocation Warning (9x12 1 000 Pack)
Gennzee$29.174.7★

Spartan Industrial - 9 X 12 (200 Count) Self Seal Clear Poly Bags with Suffocation Warning for Packaging T Shirts - Resealable Glue
Spartan Industrial$17.264.6★

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$18.354.7★
What buyers say about poly bags 9x12
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product, arrived quickly, fulfills what it promises and the quality is very good”
“fit was perfect”
“As shown”
“Good value for the product”
“Adhesive is good”
“easy to use”
“These are just the right thickness”
“The plastic is not crinkly and loud, rather smooth and quiet”
“it is strong”
“I love that they can be reopened”
What buyers complain about
“Wish they were slightly thicker”
“Bags were smaller than expected”
“It is incredibly difficult to use”
“the bag will tear”
“These bags are junk”
“Not what I expected”
“Plastic sleeves”
“horrible texture bags are sick together hard to open”
“a bit expensive”
“Super thin, Super thin”
Top return reasons
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.