evidence bags
Skip itStrong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Avg price
Incredible$30.55avg listing price — sweet spot $15–$100
Returns
Great1.2%return rate — above 5% kills the launch gate
Price range
Great$7.65–$89.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great263.48avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.9%search→purchase rate — share of searches ending in a sale
Brand share
Good74%top-5 brand share — brands hold most of the demand
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Growth
Bad-3.5%90-day search growth — must beat 0% to launch
Market size
Bad$80K$80K/yr · 53K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, evidence bags is a $80K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Oct. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
evidence bags market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $92K–$122K
- units × avg price
- Conversion rate
- 4.9%
- Avg BSR
- #844
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 6.6%
- Avg brand age
- 56 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
16
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
55%
Top 20: 97%
Open market
20%
- Crime Scene20%
- KIUKIUO19%
- Konama15%
- zmybcpack11%
- BankSupplies9%
- Affrolling6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.5% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.6×
Top evidence bags 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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
25 Pack Crime Scene Paper Evidence Bag for Receipts 9.45 * 5 * 3 inch Paper Evidence Bags
KIUKIUO$8.054.9★75 rev
Evidence Bags 25 Pack Police Party Favors Murder Mystery Decorations
Konama$17.344.8★149 rev
zmybcpack 200 pcs Plastic Evidence Bag 6 x 9 Tamper-Evident Evidence Bags for Police Lawyer Detective & Murder Mystery Party Decor Crime Scene Evidence Bags
zmybcpack$24.144.8★7 rev
Crime Scene Evidence Bags Paper and Plastic Sample Pack (12 bags)
Crime Scene$18.124.7★356 rev
Crime Scene Medium Plastic Evidence Bag - 10 x 13 inches Pack of 100
Crime Scene$64.354.4★62 rev
Newest
by launch datezmybcpack 200 pcs Plastic Evidence Bag 6 x 9 Tamper-Evident Evidence Bags for Police Lawyer Detective & Murder Mystery Party Decor Crime Scene Evidence Bags
zmybcpack$24.147 rev
Colarr 100 Pack Evidence Bags 12 x 16 Inches Large Transparent Evidence Security Bags Fold Over Sealing Tamper Resistant Closure with Serialized Numbering for Legal Police Use
Colarr$38.595 rev
DIICCYO 35 Pack Paper Evidence Bags 9.45 x 5 x 3 inch Kraft Paper Scene Supplies for Securing Receipts for Police Theme Party Supplies Detective Work Evidence Storage Bag Mystery Party Decorations
DIICCYO$8.2110 rev
Falueqg Murder Mystery Birthday Favor Decorations - 50 Pcs Secret Agent Goodie Candy Treat Bags Escape Room Evidence Party Favor Supplies Murder Mystery Spy Birthday Decorations
Falueqg$7.65156 rev
Affrolling 36 Pieces Evidence Bags Bulk Treat Police Goodie Bags Detective Party Decorations Food Storage for Murder Mystery Decor and Murder Mystery Parties Crime Scene Props Favors
Affrolling$15.5917 rev
Trending
90-day click momentum
US PACK SMART 9x12 Clear Plastic Deposit Bags with Security Tape Tamper Evident - Secure Bank Deposits Cash Handling & Currency Transport | Self-Sealing Tape with Hidden Graphics | 100-Pack
US PACK SMART$24.884.4★
BankSupplies Clear Evidence Bags 5W x 9H Tamper Evident Security Bags Case of 1000
BankSupplies$89.154.6★
zmybcpack 200 pcs Plastic Evidence Bag 6 x 9 Tamper-Evident Evidence Bags for Police Lawyer Detective & Murder Mystery Party Decor Crime Scene Evidence Bags
zmybcpack$24.144.8★
Crime Scene Medium Plastic Evidence Bag - 10 x 13 inches Pack of 100
Crime Scene$64.354.4★
Affrolling 50 Pack Paper Evidence Bag for Party 9.5x 5x 3inches Kraft Paper Evidence Bag with Dot Self Adhesive Stickers Murder Mystery Police Detective Party Decorations
Affrolling$15.034.9★
What buyers say about evidence bags
What buyers praise and complain about, mined from review topics.What buyers love
“High Quality Evidence Bag”
“As advertised”
“Good size”
“The thickness was solid enough to really pull this off”
“Cute gift for someone who loves crime shows”
“Super strong adhesive”
“They are sturdy”
“So fun and good quality”
“Good Value”
“even though they are made of plastic”
What buyers complain about
“hard to use adhesion”
“hard to use adhesion”
Top return reasons
Common questions
- Is evidence bags profitable to sell on Amazon United States?
- The niche generates $80K/yr across 23 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Skip it (49/100).
- How competitive is the evidence bags niche?
- 14 brands and 16 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in evidence bags?
- Top complaints mined from reviews: Ease Of Use, Adhesion/Stickiness. The return rate is 1.2%.
- When does demand for evidence bags peak?
- Demand peaks in Oct; the busiest month runs 1.6× the quietest.
- What does it cost to enter the evidence bags niche?
- Listings span $7.65–$89.15; the average listing price is $30.55 (sweet spot $15–$100). The average incumbent carries 263 reviews — the moat a new listing must climb.