---
title: "Hobonichi Weeks Cover — $181K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/office-products/hobonichi-weeks-cover"
last_updated: "2026-08-09T07:06:43.587Z"
locale: en
meta:
description: "Niche score 41/100 · $181K/yr market · 260K searches/yr · $34.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $181K/yr market · 260K searches/yr · $34.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Hobonichi Weeks Cover — $181K/yr Amazon US Niche (2026) - Flapen"
---
# **hobonichi weeks cover**
**Skip it**
Soft demand (-55.4% this quarter) — this niche doesn't clear our bar today.
Market size 37Growth 0Conversion 26Competition 63Returns 60Price range 83Avg price 95Brand share 18Review moat 90Quality gap 19
**Avg price**
**Incredible****$34.04**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****207.75**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$5.25–$69.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$181K**
$181K/yr · 260K searches
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-55.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, hobonichi weeks cover is a $181K/yr Amazon United States market (260K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 41/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hobonichi weeks cover market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$340K–$426K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#1,979**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **68%**
- **Out of stock**
- **6.5%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **—flat
**Sellers**
**26**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 90%
**Open market**
**3%**
- ほぼ日57% - Moterm12% - Ox Knight11% - ALLAX7% - DILVREWA5% - Noboty4% - Open — no brand owns it (2 brands, 3%)
## **Demand**
Weekly Amazon search volume, last 31 weeks — -55.4% search growth over the last 90 days.
40K30KHoliday '25Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/office-products/hobonichi-weeks-cover/trend)
## **Top hobonichi weeks cover search terms**
- **hobonichi weeks cover**163K/yr-56.4%2.9% conv. - **hobonichi weeks april start**12K/yr+13.4%0.7% conv. - **hobonichi weeks clear cover**22K/yr-74.6%7.8% conv. - **weeks cover**9K/yr-53.4%1.9% conv. - **weeks planner cover**6K/yr-48.4%0.4% conv. - **hobonichi techo weeks cover**4K/yr-37.3%1.9% conv. - **hobonichi clear cover**8K/yr-77.8%2.6% conv. - **weeks planner 2026**7K/yr-88.4%0.0% conv. - **hobonichi weeks mega cover**10K/yr-83.5%2.0% conv. - **hobonichi weeks cover clear**7K/yr-80.5%11.7% conv. [**All search terms **](https://flapen.com/research/us/office-products/hobonichi-weeks-cover/search-terms)
## **Top hobonichi weeks cover 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%$18K20%$36K30%$54K40%$73K1101001K10K 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**Hobonichi Techo Accessories Clear Cover for Weeks**ほぼ日**$9.05**4.8★2,493 rev](https://www.amazon.com/dp/B07HKBQG67) [2**Hobonichi Techo Weeks Cover Alettone: Gray (Tall & Slim Size Cover Only)**ほぼ日**$26.33**4.5★16 rev](https://www.amazon.com/dp/B0FJ2TPQ93) [3**Jelly Cover for Hobonichi Weeks Planner - 8.2x7.7 Inches Clear Plastic Planner Cover Compatible with April Start & Mega Planners Glitter Star Design**ALLAX**$9.06**4.4★25 rev](https://www.amazon.com/dp/B0GF8KH3VQ) [4**Moterm Leather Cover for Hobonichi Weeks - Fits Hobonichi Weeks/Weeks Mega with Back Pocket (Pebbled-Olive)**Moterm**$40.26**4.8★605 rev](https://www.amazon.com/dp/B0BMPBLB76) [5**Clear Cover for Hobonichi Weeks Planner- 8.0x7.7 Inches Plastic Cover for Weeks Book Protective Sleeves Compatible with April Start & Mega Planners(1-Pack)**DILVREWA**$7.85**4.6★178 rev](https://www.amazon.com/dp/B0FX3PQN8N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Anti-Yellowing Clear Planner Cover for Hobonichi Weeks & Mega Perfect Fit Not Flimsy Flexible & Durable Reinforced Pen Loop & Pockets Water-Resistant Planner Sleeve (1-Pack)**Noboty**$5.25**30 rev5mo ago](https://www.amazon.com/dp/B0GJS9XH3W) [**Hobonichi Techo 2026 Spring Weeks Moomin: Little My Everywhere! (Japanese Tall & Slim April Start)**ほぼ日**$38.72**11 rev5mo ago](https://www.amazon.com/dp/B0G92B9MNV) [**Hobonichi Techo 2026 Spring Weeks Colors: Sky Mist (Japanese Tall & Slim April Start)**ほぼ日**$35.91**51 rev5mo ago](https://www.amazon.com/dp/B0G92MQSB5) [**Hobonichi Techo 2026 Spring Weeks Colors: Antique Green (Japanese Tall & Slim April Start)**ほぼ日**$35.78**51 rev5mo ago](https://www.amazon.com/dp/B0G927ZRYD) [**Hobonichi Techo 2026 Spring Weeks Moomin: To the Outdoor Dance Hall (Japanese Tall & Slim April Start)**ほぼ日**$39.43**8 rev5mo ago](https://www.amazon.com/dp/B0G922FYJ8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Anti-Yellowing Clear Planner Cover for Hobonichi Weeks & Mega Perfect Fit Not Flimsy Flexible & Durable Reinforced Pen Loop & Pockets Water-Resistant Planner Sleeve (1-Pack)**Noboty**$5.25**4.3★**▲ 808%**](https://www.amazon.com/dp/B0GJS9XH3W) [**Hobonichi Techo 2026 Spring Weeks Moomin: Little My Everywhere! (Japanese Tall & Slim April Start)**ほぼ日**$38.72**4.6★**▲ 517%**](https://www.amazon.com/dp/B0G92B9MNV) [**Moterm Leather Cover for Hobonichi Weeks - Fits Hobonichi Weeks/Weeks Mega with Back Pocket (Pebbled-Olive)**Moterm**$40.26**4.8★**▲ 439%**](https://www.amazon.com/dp/B0BMPBLB76) [**Hobonichi Techo 2026 Spring Weeks Colors: Sky Mist (Japanese Tall & Slim April Start)**ほぼ日**$35.91**4.8★**▲ 386%**](https://www.amazon.com/dp/B0G92MQSB5) [**Jelly Cover for Hobonichi Weeks Planner - 8.2x7.7 Inches Clear Plastic Planner Cover Compatible with April Start & Mega Planners Glitter Star Design**ALLAX**$9.06**4.4★**▲ 370%**](https://www.amazon.com/dp/B0GF8KH3VQ)
**~~View all trending →~~**
## **What buyers say about hobonichi weeks cover**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**31%
*“Fit perfectly”*
**Quality-Overall**8%
*“Excellent product”*
**Value For Money**6%
*“Excellent value”*
**Document Organizing/Classification**6%
*“My favorite planner”*
**Durability**5%
*“still working well”*
**Color**4%
*“And the color is clear”*
**Advertised Vs Actual Product**4%
*“Product as stated”*
**Design-Overall**3%
*“Very well designed”*
**Material Quality**3%
*“it has very good material”*
**Ease Of Use**3%
*“Easy to use”*
### **What buyers complain about **
**Size-Overall**17%
*“Too big”*
**Thickness**7%
*“Not as thick as an OEM hobonichi cover”*
**Color**5%
*“Its almost more beige than pink unfortunately”*
**Material Quality**4%
*“its just plastic”*
**Compatibility-Overall**3%
*“Does not fit a travelers notebook”*
**Weight Heavy**3%
*“heavy”*
**Strength**3%
*“kind of flimsy”*
**Smell**2%
*“the smell was completely gone”*
**Grip**1%
*“IT slips tight on”*
**Advertised Vs Actual Product**1%
*“Because I have personal information on the cover of mine I could not show it in photos”*
### **Top return reasons **
**Size-Overall**43%
**Color**9%
**Advertised Vs Actual Product**9%
**Value For Money**7%
**Material Quality**5%
**Defective Material/Parts**3%
**Quality-Overall**3%
**Compatibility-Overall**2%
**Product Condition**2%
**Weight Heavy**2%
## **Common questions**
- **Is hobonichi weeks cover profitable to sell on Amazon United States?**
- The niche generates $181K/yr across 28 tracked products. 2 of 11 products launched in the last 360 days are still selling. 90-day search growth is -55.4%. Flapen's verdict: Skip it (41/100).
- **How competitive is the hobonichi weeks cover niche?**
- 8 brands and 26 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in hobonichi weeks cover?**
- Top complaints mined from reviews: Size-Overall, Thickness, Color. The return rate is 2.6%.
- **What does it cost to enter the hobonichi weeks cover niche?**
- Listings span $5.25–$69.01; the average listing price is $34.04 (sweet spot $15–$100). The average incumbent carries 208 reviews — the moat a new listing must climb.
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