---
title: "Plastic Putty Knife — $161K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/plastic-putty-knife"
last_updated: "2026-08-08T19:24:17.873Z"
locale: en
meta:
description: "Niche score 52/100 · $161K/yr market · 133K searches/yr. Prices mostly outside the sweet spot ($2.95–$12.39) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $161K/yr market · 133K searches/yr. Prices mostly outside the sweet spot ($2.95–$12.39) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Plastic Putty Knife — $161K/yr Amazon US Niche (2026) - Flapen"
---
# **plastic putty knife**
**Worth a look**
Shows searches that convert (18.7% search→purchase), but prices mostly outside the sweet spot ($2.95–$12.39) keeps it on the watch list.
Market size 34Growth 61Conversion 99Competition 45Returns 96Price range 0Avg price 18Brand share 62Review moat 35Quality gap 28
**Conversion**
**Incredible****18.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+38.2%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,971.48**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$161K**
$161K/yr · 133K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****$6.51**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$2.95–$12.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, plastic putty knife is a $161K/yr Amazon United States market (133K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in May–Jul. Verdict: Worth a look — 52/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plastic putty knife market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$163K–$195K**
- units × avg price
- **Conversion rate**
- **18.7%**
- **Avg BSR**
- **#101**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▲rising
**Sellers**
**32**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 94%
**Open market**
**26%**
- Harniruco34% - Fledomx13% - Bates Choice8% - Red Devil8% - OXDFK6% - THE SKrAPr6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +38.2% search growth over the last 90 days.
4K3KPrime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jul · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/plastic-putty-knife/trend)
## **Top plastic putty knife search terms**
- **plastic putty knife**81K/yr+41.0%17.5% conv. - **plastic putty knife scraper**17K/yr+57.9%13.7% conv. - **putty knife plastic**10K/yr+23.9%15.1% conv. - **plastic putty knife set**6K/yr+40.6%17.1% conv. - **plastic putty knives**6K/yr+56.8%15.7% conv. - **plastic spatula scraper**6K/yr-11.1%6.0% conv. - **plastic putty scraper**3K/yr+19.3%13.6% conv. - **plastic spackle knife**3K/yr+19.7%20.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/plastic-putty-knife/search-terms)
## **Top plastic putty knife 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%$16K20%$32K30%$48K40%$65K1101001K10K100K 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**6 Pack Putty Knife Flexible Plastic Paint Scraper Tool for Spackling Putty Knife Set Spreader Spackle Tool Plastic Putty Knife Scraper Scraper Tool Putty Scraper**Harniruco**$6.24**4.6★1,296 rev](https://www.amazon.com/dp/B09XX4TS38) [2**Fledomx Plastic Putty Knife Set 2 4 6 Spackle Knives & Paint Scrapers**Fledomx**$4.98**4.5★66 rev](https://www.amazon.com/dp/B0FLVJ6D2L) [3**3 Pcs Putty Knife Flexible Plastic Paint Scraper Tool for Spackling Spreader Spackle Putty Knife Scraper Tamale Spreader Tool 3-Pack: 1-1/2 3 6 3 Pcs Putty Knife**Harniruco**$5.04**4.7★978 rev](https://www.amazon.com/dp/B0CH5HCYGP) [4**6 PCS Plastic Putty Knife 2 Inch Black Flexible Putty Knife Scraper Used for Repairing Walls Pasting Plaster Scraping Putty Plastic Putty Knife Scraper**OXDFK**$6.81**4.7★138 rev](https://www.amazon.com/dp/B0DPFVNZX2) [5**Bates- Plastic Putty Knife Set 6 Pack Flexible Scrapers**Bates Choice**$5.74**4.6★3,112 rev](https://www.amazon.com/dp/B086JFHVQK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2 Inch Plastic Putty Knives Set 6Pcs Plastic Putty Filler Knife & Scrapers Tool Non Scratch Spackle Knife Scraper Tool for Wall Repair Wallpaper Paint Removal**WOQPHU**$6.28**4 rev4mo ago](https://www.amazon.com/dp/B0GTTY5Z3X) [**MCSDFN 6 Pcs Plastic Putty Knife 2 Inch Black Putty Knife Scraper Flexible Putty Scraper Wall Scraper Plastic Paint Scraper Tool for Repairing Spackling Patching Plastering and Painting**MCSDFN**$6.02**14 rev8mo ago](https://www.amazon.com/dp/B0G367BD4L) [**Plastic Putty Knife Set 3 Pack 2 4 6 Flexible Scrapers**NiuXTool**$4.50**13 rev8mo ago](https://www.amazon.com/dp/B0G2WWV4L8) [**6 PCS Plastic Putty Knife Flexible Paint Scrapers Spackle Tool for Spackling Repairing Drywall Removing Wallpaper and Applying Plaster**YOLCAR**$4.98**5 rev8mo ago](https://www.amazon.com/dp/B0G258ZNX9) [**Jiashuoda Plastic Putty Knife Set - 3Pcs Black Plastic Scraper Tool 1.5/3/6 Sizes Spackle Knife for Spackling Painting Drywall Arts and Crafts Tile Jobs Tamale Making**Jiashuoda**$4.84**22 rev9mo ago](https://www.amazon.com/dp/B0FX4CTWM5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2 Inch Plastic Putty Knives Set 6Pcs Plastic Putty Filler Knife & Scrapers Tool Non Scratch Spackle Knife Scraper Tool for Wall Repair Wallpaper Paint Removal**WOQPHU**$6.28**4.7★**▲ 177%**](https://www.amazon.com/dp/B0GTTY5Z3X) [**6 PCS Plastic Putty Knife Flexible Paint Scrapers Spackle Tool for Spackling Repairing Drywall Removing Wallpaper and Applying Plaster**YOLCAR**$4.98**4.4★**▲ 154%**](https://www.amazon.com/dp/B0G258ZNX9) [**Fledomx Plastic Putty Knife Set 2 4 6 Spackle Knives & Paint Scrapers**Fledomx**$4.98**4.5★**▲ 100%**](https://www.amazon.com/dp/B0FLVJ6D2L) [**MCSDFN 6 Pcs Plastic Putty Knife 2 Inch Black Putty Knife Scraper Flexible Putty Scraper Wall Scraper Plastic Paint Scraper Tool for Repairing Spackling Patching Plastering and Painting**MCSDFN**$6.02**5.0★**▲ 98%**](https://www.amazon.com/dp/B0G367BD4L) [**Bates- Plastic Putty Knife Set 1.5 Inch 10 Pack Red Flexible Paint Scraper Tool for Spackling Spackle Tool Plastic Putty Knife Scraper Solvent Resistant**Bates Choice**$6.43**4.6★**▲ 79%**](https://www.amazon.com/dp/B0DPVK9V65)
**~~View all trending →~~**
## **What buyers say about plastic putty knife**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Amazing quality”*
**Advertised Vs Actual Product**16%
*“As pictured”*
**Value For Money**13%
*“Great value”*
**Ease Of Use**8%
*“Easy to use”*
**Size-Overall**6%
*“Good size”*
**Strength**5%
*“not flimsy at all”*
**Ease Of Cleaning**5%
*“Super easy to clean”*
**Durability**4%
*“Good selection and well built to last”*
**Efficiency**2%
*“works great”*
**Adhesion/Stickiness**2%
*“Can remove strong adhesive”*
### **What buyers complain about **
**Quality-Overall**15%
*“Cheap cheap cheap”*
**Durability**14%
*“Broke on first use”*
**Strength**11%
*“Not very sturdy”*
**Functionality-Overall**6%
*“they dont work”*
**Sharpness**6%
*“Blades not sharp”*
**Adhesion/Stickiness**5%
*“Getting tape off the wall”*
**Material Quality**5%
*“After waiting two weeks they are not that good at anything made out of plastic”*
**Flexibility**4%
*“Unfortunately, the one I received is hard as a rock with almost no flex at all”*
**Maintenance And Repair**2%
*“other inhouse kinds of maintenance”*
**Advertised Vs Actual Product**2%
*“So other than the false item description”*
### **Top return reasons **
**Size-Overall**17%
**Functionality-Overall**15%
**Strength**9%
**Quality-Overall**8%
**Advertised Vs Actual Product**7%
**Sharpness**7%
**Material Quality**7%
**Value For Money**6%
**Defective Material/Parts**4%
**Durability**3%
## **Common questions**
- **Is plastic putty knife profitable to sell on Amazon United States?**
- The niche generates $161K/yr across 25 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is +38.2%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the plastic putty knife niche?**
- 20 brands and 32 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in plastic putty knife?**
- Top complaints mined from reviews: Quality-Overall, Durability, Strength. The return rate is 0.8%.
- **When does demand for plastic putty knife peak?**
- Demand peaks in May–Jul; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the plastic putty knife niche?**
- Listings span $2.95–$12.39; the average listing price is $6.51 (sweet spot $15–$100). The average incumbent carries 2,971 reviews — the moat a new listing must climb.
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