---
title: "Goodnites Girls — $282K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/goodnites-girls"
last_updated: "2026-08-05T23:05:50.144Z"
locale: en
meta:
  description: "Niche score 64/100 · $282K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 64/100 · $282K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Goodnites Girls — $282K/yr Amazon US Niche (2026) - Flapen"
---

# **goodnites girls**

**Worth a look**

Shows a sweet-spot price point ($27.08 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 50Growth 47Conversion 66Competition 86Returns 94Price range 87Avg price 95Brand share 59Review moat 24Quality gap 43

**Avg price**

**Incredible****$27.08**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.0%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$9.56–$62.42**

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

**Competition**

**Great****29%**

top-5 click share — an open shelf

**Conversion**

**Good****5.9%**

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

**Brand share**

**Good****69%**

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

**Market size**

**Good****$282K**

$282K/yr · 175K searches

**Growth**

**Okay****+17.9%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****6,655.05**

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, goodnites girls is a $282K/yr Amazon United States market (175K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Apr–May–Jul. Verdict: Worth a look — 64/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **goodnites girls market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**10K–13K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$271K–$339K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#64**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**77%**</dd>

<dt>**Out of stock**</dt><dd>**0.4%**</dd>

<dt>**Avg brand age**</dt><dd>**46 months**</dd>

<dt>**Avg seller age**</dt><dd>**138 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

**Brands**

**19 **▲rising

**Sellers**

**74**

**Top-5 brand share**

**69%**

Top 20: 100%

**Top-5 click share**

**29%**

Top 20: 71%

**Open market**

**24%**

- GoodNites23% - Ninjamas19% - Hanes12% - FUVVRVAL9% - MooMoo Baby7% - Boboking7%

## **Demand & seasonality**

Weekly Amazon search volume, last 100 weeks — +17.9% search growth over the last 90 days.

4K3KSpike '24Black Friday '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jul · busiest ÷ quietest = 5.5×

[**Open Trend **](https://flapen.com/research/us/health-household/goodnites-girls/trend)

## **Top goodnites girls search terms**

- **bedwetting underwear for girls**24K/yr+6.1%0.5% conv. - **ninjamas girls**29K/yr-11.9%5.8% conv. - **goodnites girls**19K/yr+61.9%8.1% conv. - **nighttime underwear for girls**16K/yr+18.1%3.6% conv. - **ninjamas girls s/m**15K/yr+19.4%18.4% conv. - **overnight underwear girls**6K/yr+87.8%1.3% conv. - **goodnites bedwetting underwear for girls**4K/yr+814.0%8.5% conv. - **night time underwear for girls**11K/yr+12.9%2.1% conv. - **goodnight pullups girls**7K/yr-6.4%10.5% conv. - **nighttime underwear girls**5K/yr+113.4%0.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/goodnites-girls/search-terms)

## **Top goodnites girls 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%3%$8K6%$17K9%$25K12%$34K101001K10K100K Reviews — right = deep review moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Ninjamas Girls Bedwetting Nighttime Underwear Size S/M (38-70 lbs) 88 Count Overnight Protection Ultra Absorbent Hypoallergenic](https://m.media-amazon.com/images/I/51cW6XwoMeL.jpg)**Ninjamas Girls Bedwetting Nighttime Underwear Size S/M (38-70 lbs) 88 Count Overnight Protection Ultra Absorbent Hypoallergenic**Ninjamas**$50.34**4.6★8,121 rev](https://www.amazon.com/dp/B0B7VNJZ1Z) [2![Goodnites Girls Nighttime Bedwetting Underwear Size S/M (43-68 lbs) 44 Ct (2 Packs of 22) Packaging May Vary](https://m.media-amazon.com/images/I/515g3b9AMIL.jpg)**Goodnites Girls Nighttime Bedwetting Underwear Size S/M (43-68 lbs) 44 Ct (2 Packs of 22) Packaging May Vary**GoodNites**$28.24**4.8★17,421 rev](https://www.amazon.com/dp/B00U0NJF12) [3![Sladatona Little Girls Soft Cotton Underwear Bring Cool Comfort Panty 6y](https://m.media-amazon.com/images/I/41hyoFOmbqL.jpg)**Sladatona Little Girls Soft Cotton Underwear Bring Cool Comfort Panty 6y**Sladatona**$12.54**4.8★12,501 rev](https://www.amazon.com/dp/B07K222DR6) [4![FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids](https://m.media-amazon.com/images/I/4109K1ULFOL.jpg)**FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids**FUVVRVAL**$32.11**3.9★37 rev](https://www.amazon.com/dp/B0GKG74N9J) [5![Boboking Toddler Kids Training Underwear Baby Girls Cotton Soft Briefs 5Years](https://m.media-amazon.com/images/I/51acvCFECrL.jpg)**Boboking Toddler Kids Training Underwear Baby Girls Cotton Soft Briefs 5Years**Boboking**$25.62**4.6★207 rev](https://www.amazon.com/dp/B0FF42WBPV)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids](https://m.media-amazon.com/images/I/4109K1ULFOL.jpg)**FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids**FUVVRVAL**$32.11**37 rev4mo ago](https://www.amazon.com/dp/B0GKG74N9J) [![FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids](https://m.media-amazon.com/images/I/4109K1ULFOL.jpg)**FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids**FUVVRVAL**$32.48**37 rev4mo ago](https://www.amazon.com/dp/B0GKHH6MZ4) [![Finihen Toddler Girls Training Underwear Potty Trainer Pants Size 4T](https://m.media-amazon.com/images/I/41UNbAjOSpL.jpg)**Finihen Toddler Girls Training Underwear Potty Trainer Pants Size 4T**Finihen**$26.33**96 rev8mo ago](https://www.amazon.com/dp/B0G2KVZ9HR) [![Hanes Girls Absorbency Briefs Underwear 3 Pairs Confident Nights Cotton Overnight Underwear for Girls](https://m.media-amazon.com/images/I/31BuxeHm5wL.jpg)**Hanes Girls Absorbency Briefs Underwear 3 Pairs Confident Nights Cotton Overnight Underwear for Girls**Hanes**$24.23**91 rev10mo ago](https://www.amazon.com/dp/B0FRGGHZDT) [![Hanes Girls Absorbency Briefs Underwear 3 Pairs Confident Nights Cotton Overnight Underwear for Girls](https://m.media-amazon.com/images/I/31ufZ7avJkL.jpg)**Hanes Girls Absorbency Briefs Underwear 3 Pairs Confident Nights Cotton Overnight Underwear for Girls**Hanes**$25.07**91 rev10mo ago](https://www.amazon.com/dp/B0FRGDPPD5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids](https://m.media-amazon.com/images/I/4109K1ULFOL.jpg)**FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids**FUVVRVAL**$32.48**3.9★**▲ 117%**](https://www.amazon.com/dp/B0GKHH6MZ4) [![Hanes Toddler Potty Trainer Brief Potty Training Underwear for Toddler Girls Assorted 7-Pack](https://m.media-amazon.com/images/I/418pI8HeWdL.jpg)**Hanes Toddler Potty Trainer Brief Potty Training Underwear for Toddler Girls Assorted 7-Pack**Hanes**$16.57**4.7★**▲ 116%**](https://www.amazon.com/dp/B0DW9F4HJ8) [![FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids](https://m.media-amazon.com/images/I/4109K1ULFOL.jpg)**FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids**FUVVRVAL**$32.11**3.9★**▲ 113%**](https://www.amazon.com/dp/B0GKG74N9J) [![Linzama Teen Girls Incontinence UnderwearHolds Up to Regular 10 Tampons Leakproof Period ViscoseReusable Size 11-12year](https://m.media-amazon.com/images/I/31UrACUwxEL.jpg)**Linzama Teen Girls Incontinence UnderwearHolds Up to Regular 10 Tampons Leakproof Period ViscoseReusable Size 11-12year**Linzama**$19.33**4.2★**▲ 109%**](https://www.amazon.com/dp/B0DTJW9NLW) [![Hanes Girls Absorbency Briefs Underwear 3 Pairs Confident Nights Cotton Overnight Underwear for Girls](https://m.media-amazon.com/images/I/31ufZ7avJkL.jpg)**Hanes Girls Absorbency Briefs Underwear 3 Pairs Confident Nights Cotton Overnight Underwear for Girls**Hanes**$25.07**3.8★**▲ 94%**](https://www.amazon.com/dp/B0FRGDPPD5)

**~~View all trending →~~**

## **What buyers say about goodnites girls**

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

### **What buyers love **

**Size-Overall**16%

*“size is accurate”*

**Comfort-Overall**12%

*“Super comfortable”*

**Quality-Overall**9%

*“Excellent Product”*

**Soft Feel**8%

*“the material is soft”*

**Exercise/Sports Suitability**7%

*“Great for kids thats trained”*

**Absorbency**6%

*“Super absorbent”*

**Design-Overall**4%

*“The designs are cute”*

**Color**3%

*“The colors are vibrant”*

**Thickness**3%

*“I love the extra thickness”*

**Material Quality**2%

*“The material is extremely soft”*

### **What buyers complain about **

**Size-Overall**17%

*“Sizes run big”*

**Absorbency**13%

*“NOT ABSORBENT”*

**Smell**5%

*“MAJOR FRAGRANCE”*

**Allergies**4%

*“Rash”*

**Leak-Proof**4%

*“Leaks”*

**Advertised Vs Actual Product**4%

*“misleading advertisement”*

**Material Quality**4%

*“NOT 100% Cotton”*

**Thickness**3%

*“Thin material not for period”*

**Durability**2%

*“My daughter had a break through only after 2 hours”*

**Quality-Overall**2%

*“Terrible quality”*

### **Top return reasons **

**Size-Overall**68%

**Advertised Vs Actual Product**5%

**Waist Fit**4%

**Material Quality**3%

**Thigh Fit**3%

**Value For Money**2%

**Leak-Proof**2%

**Absorbency**2%

**Thin**1%

**Functionality-Overall**1%

## **Common questions**

<dl>

<dt>**Is goodnites girls profitable to sell on Amazon United States?**</dt><dd>The niche generates $282K/yr across 56 tracked products. 5 of 15 products launched in the last 360 days are still selling. 90-day search growth is +17.9%. Flapen's verdict: Worth a look (64/100).</dd>

<dt>**How competitive is the goodnites girls niche?**</dt><dd>19 brands and 74 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 69% of demand.</dd>

<dt>**What do buyers complain about in goodnites girls?**</dt><dd>Top complaints mined from reviews: Size-Overall, Absorbency, Smell. The return rate is 1.0%.</dd>

<dt>**When does demand for goodnites girls peak?**</dt><dd>Demand peaks in Apr–May–Jul; the busiest month runs 5.5× the quietest.</dd>

<dt>**What does it cost to enter the goodnites girls niche?**</dt><dd>Listings span $9.56–$62.42; the average listing price is $27.08 (sweet spot $15–$100). The average incumbent carries 6,655 reviews — the moat a new listing must climb.</dd>

</dl>

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