---
title: "One Piece Mug — $158K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/one-piece-mug"
last_updated: "2026-08-11T21:34:11.029Z"
locale: en
meta:
description: "Niche score 41/100 · $158K/yr market · 256K searches/yr · $50.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $158K/yr market · 256K searches/yr · $50.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "One Piece Mug — $158K/yr Amazon US Niche (2026) - Flapen"
---
# **one piece mug**
**Skip it**
Weak search conversion (1.2%) — this niche doesn't clear our bar today.
Market size 33Growth 23Conversion 16Competition 89Returns 33Price range 68Avg price 93Brand share 32Review moat 18Quality gap 20
**Avg price**
**Great****$50.01**
avg listing price — sweet spot $15–$100
**Competition**
**Great****26%**
top-5 click share — an open shelf
**Price range**
**Good****$13.90–$139.19**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$158K**
$158K/yr · 256K searches
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-4.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****16,757.57**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, one piece mug is a $158K/yr Amazon United States market (256K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Dec. Verdict: Skip it — 41/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **one piece mug market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$150K–$200K**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#9,332**
- **Page quality**
- **0%**
- **Prime**
- **84%**
- **Sponsored**
- **80%**
- **Out of stock**
- **9.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **142 days**
## **Competition & brand share**
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.
**Brands**
**16 **▼falling
**Sellers**
**184**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**26%**
Top 20: 54%
**Open market**
**10%**
- Crocs63% - Get Trend7% - ABYSTYLE6% - parknshop5% - Ground Up5% - One Piece4% - Open — no brand owns it (10 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.
12K8KSpike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 4.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/one-piece-mug/trend)
## **Top one piece mug search terms**
- **one piece crocs**61K/yr-12.2%0.1% conv. - **crocs one piece**27K/yr+13.1%0.1% conv. - **one piece mug**53K/yr-14.6%1.7% conv. - **one piece cup**33K/yr+6.9%1.5% conv. - **one piece tumbler**19K/yr+15.2%1.8% conv. - **one piece coffee mug**19K/yr-13.0%1.4% conv. - **zoro crocs**7K/yr-5.9%0.1% conv. - **one piece cups**8K/yr-7.0%0.3% conv. - **one piece mugs**7K/yr+16.1%1.0% conv. - **luffy crocs**5K/yr-8.6%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/one-piece-mug/search-terms)
## **Top one piece mug 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%2%$3K4%$6K6%$10K8%$13K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Crocs Unisex-Adult One Piece Classic Clogs Luffy 10 Women/8 Men**Crocs**$122.72**4.6★16 rev](https://www.amazon.com/dp/B0FPSBFJG1) [2**Crocs Unisex-Adult One Piece Classic Clogs Chopper 13 Women/11 Men**Crocs**$103.63**4.6★16 rev](https://www.amazon.com/dp/B0FPRQYXRP) [3**Crocs Unisex-Child One Piece Classic Clogs Luffy 11 Little Kid**Crocs**$101.83**0.0★0 rev](https://www.amazon.com/dp/B0FPRQFNCF) [4**Get Trend One Piece Tumbler with Straw 30oz Kids Teens Insulated Cup with Lid Handle Travel Mug Cups with Lids for School Sports Anime Gifts for Kids (Black One Piece)**Get Trend**$27.54**4.8★1,149 rev](https://www.amazon.com/dp/B0FDX53GP6) [5**parknshop Anime Novelty Coffee Mugs Merch Straw Hat Coffee Mug Tumbler with Plate Ceramic Tea Milk coffee Cup Office Cup Gifts for Halloween Christmas Birthday Anniversary**parknshop**$21.90**4.6★110 rev](https://www.amazon.com/dp/B0CZRYJTSV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ground Up One Piece Collage Mens Slide Sandals (US Footwear Size System Adult Men Numeric Medium 10)**Ground Up**$38.85**5 rev4mo ago](https://www.amazon.com/dp/B0GRK7JP3H) [**Ground Up One Piece Collage Mens Slide Sandals (US Footwear Size System Adult Men Numeric Medium 11)**Ground Up**$39.13**5 rev4mo ago](https://www.amazon.com/dp/B0GRJPWXNP) [**Crocs Unisex-Adult One Piece Classic Clogs Luffy 10 Women/8 Men**Crocs**$122.72**16 rev10mo ago](https://www.amazon.com/dp/B0FPSBFJG1) [**Crocs Unisex-Adult One Piece Classic Clogs Chopper 13 Women/11 Men**Crocs**$103.63**16 rev10mo ago](https://www.amazon.com/dp/B0FPRQYXRP) [**Crocs Unisex-Child One Piece Classic Clogs Luffy 11 Little Kid**Crocs**$101.83**0 rev10mo ago](https://www.amazon.com/dp/B0FPRQFNCF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Crocs Unisex-Adult Classic LEGO System Clogs LEGO Shoes for Women and Men Black 12 Women/10 Men**Crocs**$77.56**4.9★**▲ 116%**](https://www.amazon.com/dp/B0FDF2ZJCR) [**Ground Up One Piece Collage Mens Slide Sandals (US Footwear Size System Adult Men Numeric Medium 10)**Ground Up**$38.85**5.0★**▲ 115%**](https://www.amazon.com/dp/B0GRK7JP3H) [**Ground Up One Piece Collage Mens Slide Sandals (US Footwear Size System Adult Men Numeric Medium 11)**Ground Up**$39.13**5.0★**▲ 115%**](https://www.amazon.com/dp/B0GRJPWXNP) [**Crocs Unisex-Child One Piece Classic Clogs Luffy 11 Little Kid**Crocs**$101.83**0.0★**▲ 114%**](https://www.amazon.com/dp/B0FPRQFNCF) [**Crocs Kids Unisex Classic Marbled Tie-Dye Clogs (Toddler) Flame/Multi 5 Toddler Medium**Crocs**$36.55**4.8★**▲ 114%**](https://www.amazon.com/dp/B0FD63NHX3)
**~~View all trending →~~**
## **What buyers say about one piece mug**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**14%
*“Comfortable and cute”*
**Size-Overall**12%
*“fit is accurate”*
**Quality-Overall**12%
*“Good quality as any Lego set”*
**Gifting Purpose**9%
*“It was a gift”*
**Design-Overall**7%
*“Brilliantly designed piece of LEGO”*
**Value For Money**6%
*“Great price”*
**Advertised Vs Actual Product**5%
*“it is exactly what we wanted plus some”*
**Fun/Entertainment Experience**3%
*“Fun”*
**Color**3%
*“vibrant colors”*
**Collectibles**3%
*“Nice Lego set”*
### **What buyers complain about **
**Size-Overall**26%
*“Run very small”*
**Value For Money**6%
*“Literal waste of money”*
**Dishwasher Safe**5%
*“However, the decorative decaling on both sides of the bottle scraped off without dishwasher”*
**Quality-Overall**4%
*“lower quality compared to genuine Crocs Ive purchased in the past”*
**Comfort-Overall**4%
*“Not comfortable”*
**Durability**3%
*“It broke in the first week of having it”*
**Width**3%
*“way too wide”*
**Assembly/Installation**2%
*“A bit hard to set up”*
**Strength**2%
*“They are not stable”*
**Adhesion/Stickiness**2%
*“leaving some adhesive”*
### **Top return reasons **
**Size-Overall**54%
**Length**16%
**Feet Fit**7%
**Width**5%
**Color**3%
**Advertised Vs Actual Product**3%
**Comfort-Overall**2%
**Value For Money**2%
**Strap/String Quality**2%
**Defective Material/Parts**1%
## **Common questions**
- **Is one piece mug profitable to sell on Amazon United States?**
- The niche generates $158K/yr across 92 tracked products. 9 of 28 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Skip it (41/100).
- **How competitive is the one piece mug niche?**
- 16 brands and 184 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in one piece mug?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Dishwasher Safe. The return rate is 4.4%.
- **When does demand for one piece mug peak?**
- Demand peaks in Dec; the busiest month runs 4.6× the quietest.
- **What does it cost to enter the one piece mug niche?**
- Listings span $13.90–$139.19; the average listing price is $50.01 (sweet spot $15–$100). The average incumbent carries 16,758 reviews — the moat a new listing must climb.
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