---
title: "St Patricks Day Pillow Covers 18x18 — $32K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/st-patricks-day-pillow-covers-18x18"
last_updated: "2026-08-06T04:23:36.918Z"
locale: en
meta:
description: "Niche score 34/100 · $32K/yr market · 284K searches/yr · $14.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $32K/yr market · 284K searches/yr · $14.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "St Patricks Day Pillow Covers 18x18 — $32K/yr Amazon US Niche (2026) - Flapen"
---
# **st patricks day pillow covers 18x18**
**Skip it**
Soft demand (-97.9% this quarter) — this niche doesn't clear our bar today.
Market size 8Growth 0Conversion 9Competition 44Returns 34Price range 66Avg price 74Brand share 54Review moat 96Quality gap 50
**Review moat**
**Incredible****74**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$14.88**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$7.21–$29.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$32K**
$32K/yr · 284K searches
**Growth**
**Bad****-97.9%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, st patricks day pillow covers 18x18 is a $32K/yr Amazon United States market (284K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 34/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **st patricks day pillow covers 18x18 market data**
- **Units sold / yr**
- **15K–20K**
- avg 100–250/product
- **Revenue / yr**
- **$223K–$298K**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#6,019**
- **Page quality**
- **0%**
- **Prime**
- **82%**
- **Sponsored**
- **73%**
- **Out of stock**
- **14.9%**
- **Avg brand age**
- **21 months**
- **Avg seller age**
- **220 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 100%
**Open market**
**20%**
- Heirloom Haven35% - bLwhzfi11% - Cumule9% - Maxpetus9% - Peking Handicraft8% - C&F Home8%
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — -97.9% search growth over the last 90 days.
60K40KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 128.3×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/st-patricks-day-pillow-covers-18x18/trend)
## **Top st patricks day pillow covers 18x18 search terms**
- **st patricks day pillow covers**50K/yr-98.3%0.3% conv. - **shamrock pillow**33K/yr-97.7%0.9% conv. - **st patricks day pillow covers 18x18**43K/yr-98.2%0.3% conv. - **st patricks day pillow**16K/yr-97.5%0.0% conv. - **st patricks day pillows**27K/yr-98.6%0.0% conv. - **st patricks day pillow covers 20x20**17K/yr-98.0%0.7% conv. - **st patricks day pillow covers 12x20**9K/yr-95.8%0.0% conv. - **shamrock pillows**8K/yr-96.0%0.8% conv. - **st patricks pillow covers 18x18**14K/yr-97.8%0.0% conv. - **st patrick pillow covers**6K/yr-95.3%0.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/st-patricks-day-pillow-covers-18x18/search-terms)
## **Top st patricks day pillow covers 18x18 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%5%$2K10%$3K15%$5K20%$6K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Green Shamrock Irish Soft Plush Faux Fur Jacquard Embroider Decorative St. Patricks Day Holiday Farmhouse Cushion Case for Sofa 18 x 18 Inch**Heirloom Haven**$7.21**4.7★23 rev](https://www.amazon.com/dp/B0G64ZMPNV) [2**bLwhzfi 3D Four-Leaf Clover Throw Pillow Plush Seating Cushion Home Decoration - Cute Room Decor for Girls Teens Tweens & Toddlers - Plush Pillow for Reading and Afternoon nap (Green)**bLwhzfi**$19.11**3.9★23 rev](https://www.amazon.com/dp/B09QM88QF1) [3**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Green Shamrock Irish Soft Plush Fluffy Faux Fur Jacquard Decorative St. Patricks Day Holiday Farmhouse Cushion Case for Sofa 18 x 18 Inch**Heirloom Haven**$7.65**4.4★39 rev](https://www.amazon.com/dp/B0G64PGWS7) [4**Cumule 2 Pcs St Patricks Day Pillow Covers Green Lucky Shamrock Clover Pillow Cover for Irish St Patricks Day Living Room Bedroom Decor Gifts**Cumule**$25.18**4.3★28 rev](https://www.amazon.com/dp/B0G47QNRM1) [5**Maxpetus Soft Stretch Cashmere Clover Pillow 4 Colors 2 Sizes Durable Polyester Filling Multi-use for Sofa/Bed/Office/pet Cute Lucky Decor & Heartfelt Gift. (14.9in12.9in Green)**Maxpetus**$16.08**4.0★11 rev](https://www.amazon.com/dp/B0CS5Z5CTY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Green Shamrock Irish Soft Plush Faux Fur Jacquard Embroider Decorative St. Patricks Day Holiday Farmhouse Cushion Case for Sofa 18 x 18 Inch**Heirloom Haven**$7.21**23 rev6mo ago](https://www.amazon.com/dp/B0G64ZMPNV) [**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Green Shamrock Irish Soft Plush Fluffy Faux Fur Jacquard Decorative St. Patricks Day Holiday Farmhouse Cushion Case for Sofa 18 x 18 Inch**Heirloom Haven**$7.65**39 rev6mo ago](https://www.amazon.com/dp/B0G64PGWS7) [**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Beige Shamrock Green Embroidery Irish Soft Plush Faux Fur Jacquard Embroider Decorative Holiday Farmhouse Cushion Case for Sofa 20 x 20 Inch**Heirloom Haven**$14.12**89 rev6mo ago](https://www.amazon.com/dp/B0G64VTQ3R) [**Cumule 2 Pcs St Patricks Day Pillow Covers Green Lucky Shamrock Clover Pillow Cover for Irish St Patricks Day Living Room Bedroom Decor Gifts**Cumule**$25.18**28 rev8mo ago](https://www.amazon.com/dp/B0G47QNRM1) [**Unibyby St Patricks Day Pillow Covers 18x18 Lucky Clover Throw Pillowcase Green Luck Shamrock Home Decor Square Cushion Covers for Sofa Bed Couch Set of 4**Unibyby**$8.47**227 rev11mo ago](https://www.amazon.com/dp/B0FLXRRYXC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Green Shamrock Irish Soft Plush Faux Fur Jacquard Embroider Decorative St. Patricks Day Holiday Farmhouse Cushion Case for Sofa 18 x 18 Inch**Heirloom Haven**$7.21**4.7★**▲ 331%**](https://www.amazon.com/dp/B0G64ZMPNV) [**Cumule 2 Pcs St Patricks Day Pillow Covers Green Lucky Shamrock Clover Pillow Cover for Irish St Patricks Day Living Room Bedroom Decor Gifts**Cumule**$25.18**4.3★**▲ 248%**](https://www.amazon.com/dp/B0G47QNRM1) [**Heirloom Haven St Patricks Day Pillow Covers Set of 2 Green Shamrock Irish Soft Plush Fluffy Faux Fur Jacquard Decorative St. Patricks Day Holiday Farmhouse Cushion Case for Sofa 18 x 18 Inch**Heirloom Haven**$7.65**4.4★**▲ 155%**](https://www.amazon.com/dp/B0G64PGWS7) [**Maxpetus Soft Stretch Cashmere Clover Pillow 4 Colors 2 Sizes Durable Polyester Filling Multi-use for Sofa/Bed/Office/pet Cute Lucky Decor & Heartfelt Gift. (14.9in12.9in Green)**Maxpetus**$16.08**4.0★**▲ 93%**](https://www.amazon.com/dp/B0CS5Z5CTY) [**Vellibring St Patricks Day Pillow Covers 18 x 18 Inch Throw Pillow Covers for Black White Buffalo Plaid Lucky Charms Shamrock Outdoor Pillowcase Green March Hat for Home Bedroom Sofa Decor**Vellibring**$9.87**4.5★**▲ 79%**](https://www.amazon.com/dp/B0CQFPSQNQ)
**~~View all trending →~~**
## **What buyers say about st patricks day pillow covers 18x18**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Soft Feel**19%
*“it feels soft to the touch”*
**Size-Overall**15%
*“Fit perfectly”*
**Quality-Overall**12%
*“They seem well made”*
**Color**10%
*“Beautiful color”*
**Value For Money**5%
*“Worth It”*
**Durability**5%
*“Durable”*
**Cushion**4%
*“gives them a cozy look on the couch”*
**Ease Of Use**4%
*“So these are easy to use”*
**Embellishment/Embroidery Quality**4%
*“I love the embroidery”*
**Comfort-Overall**3%
*“Comfortable”*
### **What buyers complain about **
**Color**25%
*“it was an off-white”*
**Value For Money**11%
*“Also, price for size is too high”*
**Size-Overall**5%
*“Small”*
**Stitch/Finish/Polish**4%
*“I do think you need to be careful since the sewing ha a few loose threads”*
**Assembly/Installation**2%
*“Getting it to evenly fill the too-small case was difficult”*
**Cushion**2%
*“An average lumbar pillow this is not”*
**Ease Of Use**2%
*“so it was a bit of a struggle getting the insert inside”*
**Thickness**1%
*“The plush shamrocks aren't overly plush”*
### **Top return reasons **
**Size-Overall**50%
**Advertised Vs Actual Product**11%
**Material Quality**10%
**Cushion**5%
**Color**5%
**Value For Money**3%
**Display Colors**3%
**Quality-Overall**2%
**Design-Overall**2%
**Thin**2%
## **Common questions**
- **Is st patricks day pillow covers 18x18 profitable to sell on Amazon United States?**
- The niche generates $32K/yr across 11 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -97.9%. Flapen's verdict: Skip it (34/100).
- **How competitive is the st patricks day pillow covers 18x18 niche?**
- 9 brands and 16 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in st patricks day pillow covers 18x18?**
- Top complaints mined from reviews: Color, Value For Money, Size-Overall. The return rate is 4.3%.
- **When does demand for st patricks day pillow covers 18x18 peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 128.3× the quietest.
- **What does it cost to enter the st patricks day pillow covers 18x18 niche?**
- Listings span $7.21–$29.93; the average listing price is $14.88 (sweet spot $15–$100). The average incumbent carries 74 reviews — the moat a new listing must climb.
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