Is bath letters profitable to sell on Amazon United States?

The niche generates $299K/yr across 9 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -24.7%. Flapen's verdict: Skip it (43/100).

How competitive is the bath letters niche?

8 brands and 21 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in bath letters?

Top complaints mined from reviews: Size-Overall, Adhesion/Stickiness, Color. The return rate is 0.7%.

When does demand for bath letters peak?

Demand peaks in Nov–Dec; the busiest month runs 2.6× the quietest.

What does it cost to enter the bath letters niche?

Listings span $5.53–$29.87; the average listing price is $13.78 (sweet spot $15–$100). The average incumbent carries 3,055 reviews — the moat a new listing must climb.

bath letters

Skip it

A concentrated shelf (top 5 take 86% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Conversion

Incredible13.0%

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

Avg price

Good$13.78

avg listing price — sweet spot $15–$100

Price range

Good$5.53–$29.87

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

Market size

Good$299K

$299K/yr · 168K searches

Review moat

Okay3,055.22

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad92%

top-5 brand share — brand-locked demand

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-24.7%

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

Competition

Bad86%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, bath letters is a $299K/yr Amazon United States market (168K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 43/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

bath letters market data

Units sold / yr: 15K–20K; avg 1,250–1,500/product
Revenue / yr: $207K–$276K; units × avg price
Conversion rate: 13.0%
Avg BSR: #277
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 2.1%
Avg brand age: 44 months
Avg seller age: 186 days

Competition & brand share

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

Munchkin38%
Nuby28%
Funsland13%
Comfylife8%
JoyCat6%
mushie4%
Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -24.7% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 2.6×

Open Trend

Top bath letters search terms

bath letters38K/yr -23.6%10.9% conv.
bath letters and numbers mold free25K/yr -27.5%11.9% conv.
foam letters for bathtub15K/yr -7.0%12.7% conv.
foam bath letters17K/yr -25.8%11.3% conv.
alphabet bath toys12K/yr -38.3%9.3% conv.
abc bath toys11K/yr -25.6%10.5% conv.
bath alphabet letters7K/yr -32.9%14.5% conv.
bathtub letters6K/yr -33.9%14.4% conv.
bath foam letters5K/yr -28.5%10.3% conv.
bath letters and numbers5K/yr +6.7%10.7% conv.

All search terms

Top bath letters 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Munchkin Learn Bath Letters and Numbers 36pc Toddler Bath Toy

Munchkin$5.534.8★20,406 rev

Nuby Foam Bath Letters and Numbers for Toddlers - Bath Toy Set for Kids 3+ Years - 36 Pieces

Nuby$6.284.9★479 rev

Bath Toys Organizer + 36 Soft Foam ABC 123 Letters & Numbers Bathroom Alphabet Baby Toys for Early Learning Foam Letters and Quick Dry Storage Net Bag

Funsland$15.134.7★343 rev

Comfylife Large Bath Toy Organizer with Letters and Numbers 3 Compartment Bath Toy Holder for Bathtub & Shower Quick-Dry Mesh with 4 Strong Adhesive Hooks

Comfylife$14.314.2★9 rev

JoyCat Bath Letters and Numbers 39 PCS Foam Toys with Storage Bag for Kids

JoyCat$16.364.5★37 rev

Newest

by launch date

JoyCat Bath Letters and Numbers 39 PCS Foam Toys with Storage Bag for Kids

JoyCat$16.3637 rev

6mo ago

Comfylife Large Bath Toy Organizer with Letters and Numbers 3 Compartment Bath Toy Holder for Bathtub & Shower Quick-Dry Mesh with 4 Strong Adhesive Hooks

Comfylife$14.319 rev

7mo ago

mushie Foam Letters & Numbers Bath Play Set (Sol) | 26 Pieces for Ages 3 Years+ | Floating Foam for Kids and Toddlers

mushie$16.94100 rev

1y ago

Nuby Foam Bath Letters and Numbers for Toddlers - Bath Toy Set for Kids 3+ Years - 36 Pieces

Nuby$6.28479 rev

1y ago

Bath Toys Organizer + 36 Soft Foam ABC 123 Letters & Numbers Bathroom Alphabet Baby Toys for Early Learning Foam Letters and Quick Dry Storage Net Bag

Funsland$15.13343 rev

5y ago

What buyers say about bath letters

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

What buyers love

Fun/Entertainment Experience28%

“Makes bath time fun”

Adhesion/Stickiness8%

“Sticks great to the tile”

Durability8%

“Durable”

Quality-Overall7%

“Good quality and easy for my toddler to use”

Educational-Overall7%

“Great educational fun”

Value For Money5%

“Very affordable”

Color5%

“The characters are vibrant”

Storage Capacity4%

“I also really liked that it comes with a storage bag”

Ease Of Cleaning4%

“That makes cleanup”

Size-Overall4%

“the size is perfect”

What buyers complain about

Size-Overall18%

“Small”

Adhesion/Stickiness14%

“Dont really stick well”

Color9%

“I really loved these until the color started coming out onto the tub and my baby”

Material Quality9%

“the material ended up molded”

Thickness7%

“These are thicker”

Quality-Overall5%

“Complete trash product”

Smell5%

“Smelled like chemicals”

Water Resistance3%

“doesnt absorb water”

Advertised Vs Actual Product2%

“two hooks to hang it. we already had hooks so those pictured are not the ones included”

Top return reasons

Size-Overall25%

Adhesion/Stickiness12%

Value For Money10%

Advertised Vs Actual Product8%

Quality-Overall7%

Smell5%

Thin5%

Age Suitability5%

Magnetic Strength/Adsorption5%

Defective Material/Parts3%

Common questions

Is bath letters profitable to sell on Amazon United States?: The niche generates $299K/yr across 9 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -24.7%. Flapen's verdict: Skip it (43/100).
How competitive is the bath letters niche?: 8 brands and 21 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in bath letters?: Top complaints mined from reviews: Size-Overall, Adhesion/Stickiness, Color. The return rate is 0.7%.
When does demand for bath letters peak?: Demand peaks in Nov–Dec; the busiest month runs 2.6× the quietest.
What does it cost to enter the bath letters niche?: Listings span $5.53–$29.87; the average listing price is $13.78 (sweet spot $15–$100). The average incumbent carries 3,055 reviews — the moat a new listing must climb.