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35

Mouth Guard Case

Skip it

Prices mostly outside the sweet spot ($4.26–$13.01) — this niche doesn't clear our bar today.

Market size 50Growth 14Conversion 83Competition 17Returns 89Price range 0Avg price 23Brand share 14Review moat 25Quality gap 23

Returns

Great1.3%

return rate — above 5% kills the launch gate

Conversion

Great9.1%

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

Market size

Good$285K

$285K/yr · 379K searches

Review moat

Bad4,380.42

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad$8.27

avg listing price — sweet spot $15–$100

Competition

Bad80%

top-5 click share — a locked-up shelf

Growth

Bad-22.9%

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

Brand share

Bad94%

top-5 brand share — brand-locked demand

Price range

Bad$4.26–$13.01

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

Is mouth guard case profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mouth guard case is a $285K/yr Amazon United States market (379K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Mar–Aug–Sep. Verdict: Skip it — 35/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

mouth guard case market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
30K–40K
avg 3,000–4,000/product
Revenue / yr
$248K–$331K
units × avg price
Conversion rate
9.1%
Avg BSR
#132
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
0.0%
Avg brand age
52 months
Avg seller age
156 days

Competition: brands, sellers & click share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

13

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

3%

  • Shock Doctor62%
  • JMU12%
  • Mrs. Odonto9%
  • ARGOMAX6%
  • BVN5%
  • Under Armour3%
  • Open — no brand owns it (1 brand, 3%)

mouth guard case demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.9% search growth over the last 90 days.
10K6KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Aug, Sep · busiest ÷ quietest = 1.8×

Top mouth guard case search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • mouth guard case162K/yr
  • mouthguard case100K/yr
  • retainer case with clip12K/yr
  • mouthguard case for sports11K/yr
  • mouth guard case sports10K/yr
  • mouthpiece case10K/yr
  • mouth guard holder8K/yr
  • shock doctor mouth guard case8K/yr
  • football mouth guard case8K/yr
  • mouth guard container5K/yr
All search terms

Top mouth guard case 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.

0%15%$43K30%$85K45%$128K60%$171K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about mouth guard case

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

What buyers love

Quality-Overall18%

“Excellent Product”

Size-Overall13%

“Great fit”

Durability9%

“Durable case”

Ease Of Use8%

“Easy to use”

Advertised Vs Actual Product7%

“Does the job”

Value For Money6%

“Reasonable price”

Ease Of Cleaning5%

“Easy to clean”

Color3%

“The color is pretty”

Efficiency2%

“It works”

Oral Hygiene2%

“Denture case”

What buyers complain about

Size-Overall24%

“The hole at the bottom is too large”

Durability14%

“the clip on it broke almost immediately once we opened the packaging”

Advertised Vs Actual Product11%

“Pictures are deceptive”

Ease Of Use9%

“its hard to open”

Material Quality7%

“it's very cheap plastic”

Leak-Proof5%

“so any liquid which gets inside will leak out no matter how it is positioned”

Color2%

“Only problem is it's black”

Smell2%

“Ive had other retainer cases prior that have started to get stinky after a period of time”

Water Resistance2%

“NOT LEAKPROOF”

Top return reasons

Size-Overall65%
Advertised Vs Actual Product7%
Gap/Hole4%
Value For Money4%
Defective Material/Parts3%
Ease Of Use2%
Functionality-Overall2%
Color2%
Material Quality2%
Breathability1%

Common mouth guard case questions

Is mouth guard case profitable to sell on Amazon United States?
The niche generates $285K/yr across 12 tracked products. 90-day search growth is -22.9%. Flapen's verdict: Skip it (35/100).
How competitive is the mouth guard case niche?
7 brands and 13 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in mouth guard case?
Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 1.3%.
When does demand for mouth guard case peak?
Demand peaks in Mar–Aug–Sep; the busiest month runs 1.8× the quietest.
What does it cost to enter the mouth guard case niche?
Listings span $4.26–$13.01; the average listing price is $8.27 (sweet spot $15–$100). The average incumbent carries 4,380 reviews — the moat a new listing must climb.