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59

Kids Mouth Guard

Worth a look

Shows beatable incumbent ratings (4.2★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 52Growth 14Conversion 60Competition 79Returns 71Price range 67Avg price 75Brand share 73Review moat 24Quality gap 84

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Competition

Great36%

top-5 click share — an open shelf

Avg price

Great$15.05

avg listing price — sweet spot $15–$100

Brand share

Good61%

top-5 brand share — brands hold most of the demand

Returns

Good2.2%

return rate — above 5% kills the launch gate

Price range

Good$7.58–$29.77

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

Conversion

Good5.2%

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

Market size

Good$319K

$319K/yr · 407K searches

Review moat

Bad5,039.6

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-22.2%

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

Is kids mouth guard profitable on Amazon?

According to Flapen's Amazon United States niche tracking, kids mouth guard is a $319K/yr Amazon United States market (407K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Mar–Apr–Sep. Verdict: Worth a look — 59/100.

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

kids mouth guard market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
20K–25K
avg 500–750/product
Revenue / yr
$301K–$376K
units × avg price
Conversion rate
5.2%
Avg BSR
#47
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
0.0%
Avg brand age
53 months
Avg seller age
140 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

22 rising

Sellers

76

Top-5 brand share

61%

Top 20: 99%

Top-5 click share

36%

Top 20: 79%

Open market

34%

  • LPONJAR20%
  • SAFEJAWZ12%
  • Bokzen11%
  • Shock Doctor11%
  • Oral Mart8%
  • SISU5%

kids mouth guard demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.2% search growth over the last 90 days.
13K8KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, Sep · busiest ÷ quietest = 2.1×

Top kids mouth guard search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • kids mouth guard141K/yr
  • kids mouth guard for teeth grinding24K/yr
  • mouthguard kids14K/yr
  • kids teeth grinding mouth guard16K/yr
  • mouth guard for kids18K/yr
  • kids mouthguard17K/yr
  • mouth guard kids17K/yr
  • kids mouthguard flag football11K/yr
  • kids anti teeth grinding15K/yr
  • kids night guard teeth grinding12K/yr
All search terms

Top kids mouth guard 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%4%$13K8%$26K12%$38K16%$51K1101001K10K100K Reviews — right = deep review moat Market 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.

What reviews say buyers love and hate about kids mouth guard

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

What buyers love

Quality-Overall14%

“Excellent Product”

Size-Overall14%

“Easy to fit”

Comfort-Overall11%

“They are very comfortable”

Ease Of Use9%

“The process is easy”

Value For Money9%

“Worth the money”

Tooth Sensitivity4%

“Good for teeth”

Instructions/User Manual/Troubleshooting4%

“Excellent instructions”

Durability3%

“They are durable”

Advertised Vs Actual Product3%

“As described”

Efficiency2%

“this one is simple and effective”

What buyers complain about

Size-Overall29%

“Awkward fit”

Functionality-Overall8%

“Never worked”

Durability7%

“Lacks durability”

Value For Money7%

“Price increase”

Comfort-Overall6%

“Bulky and uncomfortable”

Quality-Overall5%

“the build quality is very poor”

Thickness4%

“Too Thick”

Ease Of Use3%

“Not easy”

Instructions/User Manual/Troubleshooting2%

“Bad instructions”

Hard Feel2%

“it is a bit hard on bottom”

Top return reasons

Size-Overall59%
Functionality-Overall9%
Advertised Vs Actual Product7%
Comfort-Overall5%
Product Condition3%
Material Quality2%
Defective Material/Parts2%
Value For Money2%
Shape/Style1%
Quality-Overall1%

Common kids mouth guard questions

Is kids mouth guard profitable to sell on Amazon United States?
The niche generates $319K/yr across 43 tracked products. 6 of 8 products launched in the last 360 days are still selling. 90-day search growth is -22.2%. Flapen's verdict: Worth a look (59/100).
How competitive is the kids mouth guard niche?
22 brands and 76 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in kids mouth guard?
Top complaints mined from reviews: Size-Overall, Functionality-Overall, Durability. The return rate is 2.2%.
When does demand for kids mouth guard peak?
Demand peaks in Mar–Apr–Sep; the busiest month runs 2.1× the quietest.
What does it cost to enter the kids mouth guard niche?
Listings span $7.58–$29.77; the average listing price is $15.05 (sweet spot $15–$100). The average incumbent carries 5,040 reviews — the moat a new listing must climb.