---
title: "newton waterproof crib mattress — Niche Verdict: Skip it (21/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/newton-waterproof-crib-mattress"
last_updated: "2026-07-14T02:23:06.646Z"
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  description: "a small market ($0/yr) — newton waterproof crib mattress doesn't clear our bar today."
  "og:description": "a small market ($0/yr) — newton waterproof crib mattress doesn't clear our bar today."
  "og:title": "newton waterproof crib mattress — Niche Verdict: Skip it (21/100) | Amazon United States - Flapen"
---

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# **newton waterproof crib mattress**

**Skip it**

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 45Conversion 0Competition 4Returns 87Price range 9Avg price 37Brand share 0Review moat 48Quality gap 5

**Returns**

**Great****1.4%**

return rate — above 6% kills the launch gate

**Review moat**

**Okay****1,718.5**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+15.8%**

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

**Avg price**

**Okay****$260.18**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****$78.52–$315.42**

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

**Quality gap**

**Bad****4.9★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****95%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$0**

$0/yr · 9K searches

**Conversion**

**Bad****0.0%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**1 **—flat

**Sellers**

**2**

**Top-5 brand share**

**100%**

**Open market**

**0%**

- Newton Baby100%

## **Product shelf**

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

0%15%$030%$045%$060%$0101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 6 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White](https://m.media-amazon.com/images/I/31TyAfZnRmL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White**Newton Baby**$314.74**4.9★1,453 rev](https://www.amazon.com/dp/B08BMT1MB5) [2![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Grey](https://m.media-amazon.com/images/I/41AzsFG-fIL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Grey**Newton Baby**$315.42**4.9★1,453 rev](https://www.amazon.com/dp/B07W5J9GNC) [3![Newton Baby Essential Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Deluxe 4 - Thick White](https://m.media-amazon.com/images/I/41yOYH9mohL.jpg)**Newton Baby Essential Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Deluxe 4 - Thick White**Newton Baby**$245.73**5.0★18 rev](https://www.amazon.com/dp/B0GD8H8C1L) [4![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Sandstone](https://m.media-amazon.com/images/I/319sxbRGXLL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Sandstone**Newton Baby**$315.39**4.9★1,453 rev](https://www.amazon.com/dp/B0G27699FP) [5![Newton Baby Waterproof Crib Mattress Pad | Ultra-Breathable Quilted Layer for Comfort & Universal Fitted Skirt for Secure Fit | Machine Washable | Crib Mattress Protector Pad Waterproof 1 Pack](https://m.media-amazon.com/images/I/31fOUyG4xVL.jpg)**Newton Baby Waterproof Crib Mattress Pad | Ultra-Breathable Quilted Layer for Comfort & Universal Fitted Skirt for Secure Fit | Machine Washable | Crib Mattress Protector Pad Waterproof 1 Pack**Newton Baby**$78.52**4.9★1,739 rev](https://www.amazon.com/dp/B078Z2RD1D)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Newton Baby Essential Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Deluxe 4 - Thick White](https://m.media-amazon.com/images/I/41yOYH9mohL.jpg)**Newton Baby Essential Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Deluxe 4 - Thick White**Newton Baby**$245.73**18 rev6mo ago](https://www.amazon.com/dp/B0GD8H8C1L) [![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Sandstone](https://m.media-amazon.com/images/I/319sxbRGXLL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Sandstone**Newton Baby**$315.39**1,453 rev8mo ago](https://www.amazon.com/dp/B0G27699FP) [![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White](https://m.media-amazon.com/images/I/31TyAfZnRmL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White**Newton Baby**$314.74**1,453 rev6y ago](https://www.amazon.com/dp/B08BMT1MB5) [![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Grey](https://m.media-amazon.com/images/I/41AzsFG-fIL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Grey**Newton Baby**$315.42**1,453 rev6y ago](https://www.amazon.com/dp/B07W5J9GNC) [![Newton Baby Waterproof Crib Mattress Pad | Ultra-Breathable Quilted Layer for Comfort & Universal Fitted Skirt for Secure Fit | Machine Washable | Crib Mattress Protector Pad Waterproof 1 Pack](https://m.media-amazon.com/images/I/31fOUyG4xVL.jpg)**Newton Baby Waterproof Crib Mattress Pad | Ultra-Breathable Quilted Layer for Comfort & Universal Fitted Skirt for Secure Fit | Machine Washable | Crib Mattress Protector Pad Waterproof 1 Pack**Newton Baby**$78.52**1,739 rev8y ago](https://www.amazon.com/dp/B078Z2RD1D)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Newton Baby Essential Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Deluxe 4 - Thick White](https://m.media-amazon.com/images/I/41yOYH9mohL.jpg)**Newton Baby Essential Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Deluxe 4 - Thick White**Newton Baby**$245.73**5.0★**▲ 174%**](https://www.amazon.com/dp/B0GD8H8C1L) [![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Grey](https://m.media-amazon.com/images/I/41AzsFG-fIL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Grey**Newton Baby**$315.42**4.9★**▲ 78%**](https://www.amazon.com/dp/B07W5J9GNC) [![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Sandstone](https://m.media-amazon.com/images/I/319sxbRGXLL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - Sandstone**Newton Baby**$315.39**4.9★**▲ 40%**](https://www.amazon.com/dp/B0G27699FP) [![Newton Baby Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White](https://m.media-amazon.com/images/I/31szI1ZDRNL.jpg)**Newton Baby Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White**Newton Baby**$291.31**4.9★**▼ 10%**](https://www.amazon.com/dp/B00WR958TA) [![Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White](https://m.media-amazon.com/images/I/31TyAfZnRmL.jpg)**Newton Baby Waterproof Crib Mattress and Toddler Bed - Ultra-Breathable Proven to Reduce Suffocation Risk Washable Core & Cover All-Stages Infant to Toddler Deluxe 5.5 Thick - White**Newton Baby**$314.74**4.9★**▼ 15%**](https://www.amazon.com/dp/B08BMT1MB5)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 101 weeks — +15.8% search growth over the last 90 days.

450350Prime Day '24Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 1.9×

## **Reviews**

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

### **What buyers love **

**Size-Overall**14%

*“Fits crib nicely and comfortable”*

**Quality-Overall**11%

*“It was well made”*

**Comfort-Overall**9%

*“Comfortable Bed”*

**Breathability**9%

*“its very breathable”*

**Washability**8%

*“I love that it is washable”*

**Value For Money**8%

*“Great mattress, worth every penny”*

**Soft Feel**7%

*“soft”*

**Ease Of Cleaning**6%

*“Effective and easy to clean”*

**Sleep Quality**5%

*“Great mattress baby sleeps soundly on it”*

**Foam**3%

*“the mashed surface gives enough airflow to keep mattresses cool”*

### **What buyers complain about **

**Quality-Overall**13%

*“Where is the quality control”*

**Washability**13%

*“isn't fully washable”*

**Sleep Quality**7%

*“Its been 2.5 years and two kids, neither of them like sleeping on the mattress, its too firm”*

**Stain Resistance**6%

*“the first one i received had two big big stains on it. covered by a label so you wouldn't see it until you removed all the packaging.”*

**Allergies**6%

*“This caused severe skin inflammation on our baby boy”*

**Smell**6%

*“The smell is horrible”*

**Comfort-Overall**4%

*“Too firm, not comfortable”*

**Value For Money**3%

*“The price point can be a bit high”*

**Breathability**3%

*“It doesn't have the two sides. no breathable infant side.”*

**Water Resistance**2%

*“I don't find the waterproof/washable feature to be really useful for us because they don't really mention how long it takes for the mattress to dry”*

### **Top return reasons **

**Size-Overall**39%

**Value For Money**19%

**Advertised Vs Actual Product**8%

**Thickness**4%

**Comfort-Overall**3%

**Material Quality**3%

**Quality-Overall**2%

**Water Resistance**2%

**Breathability**2%

**Smell**2%