---
title: "Den Dry Mattress Underlay for Rv — $91K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/den-dry-mattress-underlay-for-rv"
last_updated: "2026-08-10T21:56:17.476Z"
locale: en
meta:
  description: "Niche score 48/100 · $91K/yr market · 118K searches/yr · $45.32 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · $91K/yr market · 118K searches/yr · $45.32 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Den Dry Mattress Underlay for Rv — $91K/yr Amazon US Niche (2026) - Flapen"
---

# **den dry mattress underlay for rv**

**Skip it**

Weak search conversion (1.7%) — this niche doesn't clear our bar today.

Market size 23Growth 24Conversion 21Competition 47Returns 58Price range 81Avg price 95Brand share 58Review moat 94Quality gap 68

**Avg price**

**Incredible****$45.32**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****116.11**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$28.18–$115.60**

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

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****70%**

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

**Returns**

**Good****2.7%**

return rate — above 5% kills the launch gate

**Competition**

**Okay****57%**

top-5 click share — leaders hold, buyers still browse

**Growth**

**Bad****-2.4%**

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

**Market size**

**Bad****$91K**

$91K/yr · 118K searches

**Conversion**

**Bad****1.7%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, den dry mattress underlay for rv is a $91K/yr Amazon United States market (118K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 48/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **den dry mattress underlay for rv market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$91K–$113K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#125**</dd>

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

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

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

<dt>**Out of stock**</dt><dd>**7.0%**</dd>

<dt>**Avg brand age**</dt><dd>**45 months**</dd>

<dt>**Avg seller age**</dt><dd>**187 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**17 **▼falling

**Sellers**

**21**

**Top-5 brand share**

**70%**

Top 20: 100%

**Top-5 click share**

**57%**

Top 20: 100%

**Open market**

**25%**

- GRETJOB28% - Bhyhok18% - Dingbaayee10% - GUBEARE7% - KAZRBEP7% - DRICORE5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -2.4% search growth over the last 90 days.

3K2KHoliday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May · busiest ÷ quietest = 2.5×

[**Open Trend **](https://flapen.com/research/us/automotive/den-dry-mattress-underlay-for-rv/trend)

## **Top den dry mattress underlay for rv search terms**

- **rv mattress underlay moisture barrier**27K/yr-11.8%2.5% conv. - **hypervent mattress underlay**12K/yr-1.8%1.4% conv. - **under mattress ventilation**8K/yr+108.8%1.4% conv. - **rv under mattress ventilation pad**7K/yr-5.4%1.6% conv. - **rv under mattress ventilation**11K/yr-31.1%1.5% conv. - **mattress underlay**9K/yr-12.7%1.6% conv. - **under mattress pad**7K/yr+4.2%0.4% conv. - **hypervent**8K/yr-28.5%1.7% conv. - **anti condensation mat**4K/yr+37.2%1.1% conv. - **rv mattress underlay**6K/yr+12.7%2.0% conv. [**All search terms **](https://flapen.com/research/us/automotive/den-dry-mattress-underlay-for-rv/search-terms)

## **Top den dry mattress underlay for rv 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%10%$9K20%$18K30%$27K40%$36K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Plastic Ventilated Mattress Underlay Pad for RV Boat Camper - 83 L x 59 W Interlocking Modular Design Breathable Mesh RV Under Mattress Ventilation Air-Flow (Black)](https://m.media-amazon.com/images/I/61TeVMRQgEL.jpg)**Plastic Ventilated Mattress Underlay Pad for RV Boat Camper - 83 L x 59 W Interlocking Modular Design Breathable Mesh RV Under Mattress Ventilation Air-Flow (Black)**GRETJOB**$38.87**4.2★131 rev](https://www.amazon.com/dp/B0F8GZLKMB) [2![Aire-Flow Mattress Underlay with Breathable Mesh Fiber for RV Bed Camper Boat (82.67 * 59.05 in)](https://m.media-amazon.com/images/I/41TtU64oVnL.jpg)**Aire-Flow Mattress Underlay with Breathable Mesh Fiber for RV Bed Camper Boat (82.67 * 59.05 in)**Bhyhok**$54.98**4.5★209 rev](https://www.amazon.com/dp/B0DJS3HHQ3) [3![12Pcs Drainage Interlocking Floor Tiles 11.8 x 11.8 Modular Interlocking Cushion Soft PVC Floor Non-Slip Splicing Waterproof Mat for Drain Pool Shower Patio Balcony Bathroom Kitchen Yard](https://m.media-amazon.com/images/I/514aMNAhTzL.jpg)**12Pcs Drainage Interlocking Floor Tiles 11.8 x 11.8 Modular Interlocking Cushion Soft PVC Floor Non-Slip Splicing Waterproof Mat for Drain Pool Shower Patio Balcony Bathroom Kitchen Yard**Dingbaayee**$28.18**4.6★185 rev](https://www.amazon.com/dp/B0D4QM8ZZK) [4![Plastic Mattress Underlay Pad 83x59 Queen Size Breathable Mesh RV Under Mattress Ventilation Air-Flow Interlocking Modular Design for RV Boat Camper](https://m.media-amazon.com/images/I/51CFyamapEL.jpg)**Plastic Mattress Underlay Pad 83x59 Queen Size Breathable Mesh RV Under Mattress Ventilation Air-Flow Interlocking Modular Design for RV Boat Camper**GUBEARE**$30.70**3.5★19 rev](https://www.amazon.com/dp/B0GF1K7F12) [5![Plastic Ventilated Mattress Underlay Pad for RV Boat Camper- 83x59 Queen Size Interlocking Modular Non Slip Design Breathable Mesh RV Under Mattress Ventilation Air-Flow](https://m.media-amazon.com/images/I/51x57c8IekL.jpg)**Plastic Ventilated Mattress Underlay Pad for RV Boat Camper- 83x59 Queen Size Interlocking Modular Non Slip Design Breathable Mesh RV Under Mattress Ventilation Air-Flow**KAZRBEP**$51.87**4.3★13 rev](https://www.amazon.com/dp/B0F9WJNVVG)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Plastic Mattress Underlay Pad 83x59 Queen Size Breathable Mesh RV Under Mattress Ventilation Air-Flow Interlocking Modular Design for RV Boat Camper](https://m.media-amazon.com/images/I/51CFyamapEL.jpg)**Plastic Mattress Underlay Pad 83x59 Queen Size Breathable Mesh RV Under Mattress Ventilation Air-Flow Interlocking Modular Design for RV Boat Camper**GUBEARE**$30.70**19 rev6mo ago](https://www.amazon.com/dp/B0GF1K7F12) [![RV Mattress Underlay Moisture Barrier & RV Under Mattress Ventilation Mattress Support Board with 4 Straps - 3D Grey Stripe Airflow Pad for Camper Boat (60 * 80 * 0.3)](https://m.media-amazon.com/images/I/51yoKq7AjzL.jpg)**RV Mattress Underlay Moisture Barrier & RV Under Mattress Ventilation Mattress Support Board with 4 Straps - 3D Grey Stripe Airflow Pad for Camper Boat (60 * 80 * 0.3)**Hogarjal**$54.90**22 rev6mo ago](https://www.amazon.com/dp/B0GDY575SD) [![Chimelva RV Mattress Underlay Mattress Pad Ventilated with Breathable Felt 74x60 Inch for Campers Motorhomes and RV Accessories Keeps Mattress Dry](https://m.media-amazon.com/images/I/41U6M2-PErL.jpg)**Chimelva RV Mattress Underlay Mattress Pad Ventilated with Breathable Felt 74x60 Inch for Campers Motorhomes and RV Accessories Keeps Mattress Dry**Chimelva**$29.21**18 rev7mo ago](https://www.amazon.com/dp/B0G38PV1CF) [![Plastic Ventilated Mattress Underlay Pad 83 x 59 Breathable Mesh Pad Mattress for RV Boat Camper Ventilation Air-Flow Improve Sleep Quantity](https://m.media-amazon.com/images/I/51avoBc57mL.jpg)**Plastic Ventilated Mattress Underlay Pad 83 x 59 Breathable Mesh Pad Mattress for RV Boat Camper Ventilation Air-Flow Improve Sleep Quantity**MDDEYEMEFO**$37.78**3 rev8mo ago](https://www.amazon.com/dp/B0FZ8RKZNV) [![Plastic Mattress Underlay for 83L x 59W RV Under-Bed RV Under-Bed Interlocking Ventilated Mesh Fiber Mattress Topper Ideal for RVs/Yachts/Campers to Keep Bedding Dry & Breathable](https://m.media-amazon.com/images/I/51-TMvbS1tL.jpg)**Plastic Mattress Underlay for 83L x 59W RV Under-Bed RV Under-Bed Interlocking Ventilated Mesh Fiber Mattress Topper Ideal for RVs/Yachts/Campers to Keep Bedding Dry & Breathable**AIOWZZY**$36.12**11 rev9mo ago](https://www.amazon.com/dp/B0FVRHCM3D)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Plastic Ventilated Mattress Underlay Pad 83 x 59 Breathable Mesh Pad Mattress for RV Boat Camper Ventilation Air-Flow Improve Sleep Quantity](https://m.media-amazon.com/images/I/51avoBc57mL.jpg)**Plastic Ventilated Mattress Underlay Pad 83 x 59 Breathable Mesh Pad Mattress for RV Boat Camper Ventilation Air-Flow Improve Sleep Quantity**MDDEYEMEFO**$37.78**4.2★**▲ 125%**](https://www.amazon.com/dp/B0FZ8RKZNV) [![Plastic Mattress Underlay Pad 83x59 Queen Size Breathable Mesh RV Under Mattress Ventilation Air-Flow Interlocking Modular Design for RV Boat Camper](https://m.media-amazon.com/images/I/51CFyamapEL.jpg)**Plastic Mattress Underlay Pad 83x59 Queen Size Breathable Mesh RV Under Mattress Ventilation Air-Flow Interlocking Modular Design for RV Boat Camper**GUBEARE**$30.70**3.5★**▲ 118%**](https://www.amazon.com/dp/B0GF1K7F12) [![UCandy Underlay Under Mattress Pad with Breathable Meshfiber 83 x 59 Cuttable Under Mattress Ventilation Air-Flow Mattress Underlay 3D mesh Ventsfor RV Camper & Boat](https://m.media-amazon.com/images/I/51I6uvdkbvL.jpg)**UCandy Underlay Under Mattress Pad with Breathable Meshfiber 83 x 59 Cuttable Under Mattress Ventilation Air-Flow Mattress Underlay 3D mesh Ventsfor RV Camper & Boat**UCandy**$40.90**4.4★**▲ 68%**](https://www.amazon.com/dp/B0DT65MTN2) [![Plastic Ventilated Mattress Underlay Pad for RV Boat Camper- 83x59 Queen Size Interlocking Modular Non Slip Design Breathable Mesh RV Under Mattress Ventilation Air-Flow](https://m.media-amazon.com/images/I/51x57c8IekL.jpg)**Plastic Ventilated Mattress Underlay Pad for RV Boat Camper- 83x59 Queen Size Interlocking Modular Non Slip Design Breathable Mesh RV Under Mattress Ventilation Air-Flow**KAZRBEP**$51.87**4.3★**▲ 56%**](https://www.amazon.com/dp/B0F9WJNVVG) [![Chimelva RV Mattress Underlay Mattress Pad Ventilated with Breathable Felt 74x60 Inch for Campers Motorhomes and RV Accessories Keeps Mattress Dry](https://m.media-amazon.com/images/I/41U6M2-PErL.jpg)**Chimelva RV Mattress Underlay Mattress Pad Ventilated with Breathable Felt 74x60 Inch for Campers Motorhomes and RV Accessories Keeps Mattress Dry**Chimelva**$29.21**4.6★**▲ 50%**](https://www.amazon.com/dp/B0G38PV1CF)

**~~View all trending →~~**

## **What buyers say about den dry mattress underlay for rv**

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

### **What buyers love **

**Quality-Overall**15%

*“Well made, connect easily”*

**Assembly/Installation**15%

*“Easy to assemble”*

**Size-Overall**7%

*“Perfect fit”*

**Ease Of Use**7%

*“Easy to use”*

**Advertised Vs Actual Product**5%

*“Works as advertised”*

**Moist/Dry**4%

*“Kept moisture away”*

**Value For Money**3%

*“Good value”*

**Material Quality**3%

*“seems like a good material”*

**Efficiency**3%

*“Works Great”*

**Thickness**3%

*“Felt is consistent thickness”*

### **What buyers complain about **

**Thickness**9%

*“thick in areas”*

**Smell**8%

*“Strong residual chemical smell was a deal breaker”*

**Functionality-Overall**7%

*“Not sure they are working as intended”*

**Assembly/Installation**7%

*“Off gassing 🤢 Difficult to snap together”*

**Moist/Dry**5%

*“it also made me paranoid about moisture”*

**Quality-Overall**5%

*“Cheap crap”*

**Size-Overall**5%

*“the Coverage Is Much Smaller Than Expected”*

**Value For Money**4%

*“Not worth the money spent”*

**Durability**3%

*“But last fall”*

**Flatness**3%

*“I wish the outer corners could all be flat”*

### **Top return reasons **

**Size-Overall**24%

**Smell**10%

**Advertised Vs Actual Product**9%

**Functionality-Overall**7%

**Material Quality**6%

**Thickness**6%

**Thin**5%

**Compatibility-Overall**4%

**Defective Material/Parts**3%

**Assembly/Installation**3%

## **Common questions**

<dl>

<dt>**Is den dry mattress underlay for rv profitable to sell on Amazon United States?**</dt><dd>The niche generates $91K/yr across 19 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is -2.4%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the den dry mattress underlay for rv niche?**</dt><dd>17 brands and 21 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 70% of demand.</dd>

<dt>**What do buyers complain about in den dry mattress underlay for rv?**</dt><dd>Top complaints mined from reviews: Thickness, Smell, Functionality-Overall. The return rate is 2.7%.</dd>

<dt>**When does demand for den dry mattress underlay for rv peak?**</dt><dd>Demand peaks in Mar–Apr–May; the busiest month runs 2.5× the quietest.</dd>

<dt>**What does it cost to enter the den dry mattress underlay for rv niche?**</dt><dd>Listings span $28.18–$115.60; the average listing price is $45.32 (sweet spot $15–$100). The average incumbent carries 116 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Automotive**

- 72 [**brake bleeder kit**](https://flapen.com/research/us/automotive/brake-bleeder-kit)$2.2M/yr+8.2%**Launch it**- 72 [**gas can pump**](https://flapen.com/research/us/automotive/gas-can-pump)$1.7M/yr+20.1%**Launch it**- 72 [**dewalt hedge trimmer**](https://flapen.com/research/us/automotive/dewalt-hedge-trimmer)$1.6M/yr+158.2%**Launch it**- 72 [**iron eraser**](https://flapen.com/research/us/automotive/iron-eraser)$107K/yr>1,000%**Worth a look**- 72 [**marine fuel line**](https://flapen.com/research/us/automotive/marine-fuel-line)$198K/yr+104.3%**Worth a look**- 72 [**garden hose filter**](https://flapen.com/research/us/automotive/garden-hose-filter)$729K/yr+110.7%**Worth a look**[**All Automotive niches **](https://flapen.com/research/us/automotive)