Is mermaid water bottle profitable to sell on Amazon United States?

The niche generates $23K/yr across 40 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +66.9%. Flapen's verdict: Worth a look (55/100).

How competitive is the mermaid water bottle niche?

25 brands and 27 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 57% of demand.

What do buyers complain about in mermaid water bottle?

Top complaints mined from reviews: Leak-Proof, Durability, Ease Of Cleaning. The return rate is 1.9%.

When does demand for mermaid water bottle peak?

Demand peaks in Jul–Aug; the busiest month runs 5.8× the quietest.

What does it cost to enter the mermaid water bottle niche?

Listings span $5.12–$34.40; the average listing price is $16.18 (sweet spot $15–$100). The average incumbent carries 4,235 reviews — the moat a new listing must climb.

Mermaid Water Bottle

Worth a look

Shows demand growing +66.9% this quarter, but a small market ($23K/yr) keeps it on the watch list.

Growth

Great+66.9%

90-day search growth — must beat 0% to launch

Brand share

Great57%

top-5 brand share — no brand owns this niche

Avg price

Great$16.18

avg listing price — sweet spot $15–$100

Competition

Great38%

top-5 click share — an open shelf

Returns

Great1.9%

return rate — above 5% kills the launch gate

Price range

Good$5.12–$34.40

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Okay3.0%

search→purchase rate — share of searches ending in a sale

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad4,235.35

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$23K

$23K/yr · 47K searches

Is mermaid water bottle profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mermaid water bottle is a $23K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 55/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

mermaid water bottle market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $24K–$32K; units × avg price
Conversion rate: 3.0%
Avg BSR: #456
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 7.1%
Avg brand age: 30 months
Avg seller age: 159 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

Brands

25 rising

Sellers

Top-5 brand share

57%

Top 20: 97%

Top-5 click share

38%

Top 20: 86%

Open market

35%

SANDJEST22%
Simple Modern9%
Home Tune9%
EDSPORTSHOUSE9%
Ntswasd9%
Fimibuke8%

mermaid water bottle demand & seasonality

Weekly Amazon search volume, last 104 weeks — +66.9% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 5.8×

Open Trend

Top mermaid water bottle products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

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

EDsportshouse Decorate Your Own Water Bottle Kits for Girls Age 4-6-8-10 Mermaid Painting Crafts Fun Arts and Crafts Gifts Toys for Girls Birthday Christmas(Mermaid)

EDSPORTSHOUSE$17.034.6★5,035 rev

SANDJEST Mermaid Kids Water Bottle With Straw Lid 12oz Insulated Stainless Steel Travel Tumbler Gifts For Girls Birthday Christmas Back To School

SANDJEST$17.874.4★593 rev

SANDJEST Mermaid Water Bottle - Kids Water Bottle with Straw Lid - 12 Oz Insulated Stainless Steel Water Bottles for Kid Girl - Travel Cup for School Sports

SANDJEST$17.234.4★593 rev

Ntswasd Girls Insulated Water Bottle with Covered Pop-Up Straw 16 oz Kids Cups with Stainless Steel Leak Proof for School PinkMermaid

Ntswasd$15.684.8★699 rev

Home Tune Cute Water Bottle for School Kids Girls BPA FREE Tritan & Leak Proof & Easy Clean & Carry Handle 23oz/ 680ml - Mermaid

Home Tune$9.824.5★16,152 rev

Newest

by launch date

Mermaid Kids Insulated Stainless Steel Water Bottle 16 Oz Travel Tumbler for School Sports for Girls Birthday Back To School

SANDJEST$20.4941 rev

3mo ago

Mommore Kids Insulated Water Bottle with Soft Rubber Handle 12oz Stainless Steel Thermos with Straw Lid Leak Proof Easy to Clean Design Vacuum Small Canteen for School Boys Girls Mermaid-1 Pc

mommore$12.32111 rev

6mo ago

YOLAY 15oz Kids Water Bottle For School Boys and Girls Durable Toddler Water Bottle with Straw Lid Leak-Proof Spill Proof Easy Clean and Dishwasher Safe with Re-Usable and BPA Free - Mermaid

YOLAY$5.12101 rev

8mo ago

Simple Modern Disney Princess Ariel Kids Water Bottle with Straw Lid | 14oz Insulated Stainless Steel Kids Tumbler & Spill Proof Toddler Cup for School Girls Boys | Summit | Ariels Day Dream

Simple Modern$21.778,369 rev

1y ago

OLDLEY kids Water Bottle - 18oz Insulated Stainless Steel - Wide Straw Lid Non Spill Leakproof Kids Water Bottle for School Mermaid

OLDLEY$12.97166 rev

1y ago

What reviews say buyers love and hate about mermaid water bottle

What buyers praise and complain about, mined from review topics.

What buyers love

Leak-Proof11%

“Does not leak”

Quality-Overall9%

“Good quality”

Ease Of Cleaning8%

“easy to clean”

Durability8%

“Durable and Cute”

Size-Overall7%

“Perfect size”

Gifting Purpose6%

“Perfect gift”

Design-Overall6%

“Nice color and design”

Color5%

“The colors are also really beautiful”

Ease Of Use5%

“Easy to Use”

Value For Money5%

“affordable”

What buyers complain about

Leak-Proof23%

“leaks like crazy”

Durability12%

“It will break easily”

Ease Of Cleaning5%

“However, cleaning this thing is a total nightmare”

Size-Overall5%

“Unfortunately, it is too big for car seat cupholders”

Strength4%

“For us, this product was flimsy and did not last”

Ease Of Use4%

“Dents very easily”

Design-Overall4%

“Broken, flimsy, chipped design within 3 weeks”

Value For Money3%

“Not worth it”

Connectivity-Overall3%

“The straw never stays connected inside so its a constant frustration”

Quality-Overall2%

“they look cheap”

Top return reasons

Size-Overall28%

Leak-Proof17%

Value For Money10%

Advertised Vs Actual Product8%

Color6%

Functionality-Overall3%

Quality-Overall3%

Product Condition3%

Scratch Resistance3%

Material Quality3%

Common mermaid water bottle questions

Is mermaid water bottle profitable to sell on Amazon United States?: The niche generates $23K/yr across 40 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is +66.9%. Flapen's verdict: Worth a look (55/100).
How competitive is the mermaid water bottle niche?: 25 brands and 27 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 57% of demand.
What do buyers complain about in mermaid water bottle?: Top complaints mined from reviews: Leak-Proof, Durability, Ease Of Cleaning. The return rate is 1.9%.
When does demand for mermaid water bottle peak?: Demand peaks in Jul–Aug; the busiest month runs 5.8× the quietest.
What does it cost to enter the mermaid water bottle niche?: Listings span $5.12–$34.40; the average listing price is $16.18 (sweet spot $15–$100). The average incumbent carries 4,235 reviews — the moat a new listing must climb.