---
product_id: 69487055
title: "Sealy Baby Flex Cool 2 Stage Breathable Crib Mattress with Toddler Bed Fit, Waterproof & Airy Cotton Cover, 204 Premium Coils, GREENGUARD Gold Certified, Safety & Quality Tested, Made in USA, 52x28\""
brand: "sealy baby"
price: "₨242566"
currency: LKR
in_stock: true
reviews_count: 8
category: "Sealy Baby"
url: https://www.desertcart.lk/products/69487055-sealy-baby-flex-cool-2-stage-breathable-crib-mattress-toddler
store_origin: LK
region: Sri Lanka
---

# 204 premium coils for adaptive support PVC-free waterproof breathable barrier Made in USA with expert craftsmanship Sealy Baby Flex Cool 2 Stage Breathable Crib Mattress with Toddler Bed Fit, Waterproof & Airy Cotton Cover, 204 Premium Coils, GREENGUARD Gold Certified, Safety & Quality Tested, Made in USA, 52x28"

**Brand:** sealy baby
**Price:** ₨242566
**Availability:** ✅ In Stock

## Summary

> 🌙 Sleep smart, grow strong — the crib mattress that evolves with your baby!

## Quick Answers

- **What is this?** Sealy Baby Flex Cool 2 Stage Breathable Crib Mattress with Toddler Bed Fit, Waterproof & Airy Cotton Cover, 204 Premium Coils, GREENGUARD Gold Certified, Safety & Quality Tested, Made in USA, 52x28" by sealy baby
- **How much does it cost?** ₨242566 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/69487055-sealy-baby-flex-cool-2-stage-breathable-crib-mattress-toddler)

## Best For

- sealy baby enthusiasts

## Why This Product

- Trusted sealy baby brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breathable Cotton Cover:** Natural airflow pocket keeps baby cool & dry all night
- • **Dual-Stage Growth Design:** Firmer infant side & cozy toddler side for lasting comfort
- • **Durable Steel Edge Frame:** Reinforced sides maintain mattress shape & secure fit
- • **Trusted American Quality:** Proudly crafted in the USA by Sealy, America’s #1 mattress brand
- • **Certified Safe & Non-Toxic:** GREENGUARD Gold & ASTM tested for peace of mind

## Overview

The Sealy Baby Flex Cool 2-Stage Crib Mattress offers a breathable, dual-sided design with 204 premium coils for adaptive support from newborn to toddler. Featuring a PVC-free waterproof cotton cover and reinforced steel edges, it ensures durability and safety. GREENGUARD Gold certified and made in the USA, this mattress meets rigorous safety standards, providing a healthy, comfortable sleep environment that parents trust.

## Description

Product Description Give your baby the perfect balance of comfort, safety, and support with the Sealy FlexCool 2-Stage Baby waterproof crib mattress and Toddler Mattress. Designed with premium materials and trusted craftsmanship, this breathable crib mattress grows with your child from newborn to toddler years. The natural cotton cover promotes airflow and breathability, keeping baby’s sleep environment cool and comfortable, while a built-in airflow pocket enhances ventilation. Multiple layers of sustainable cotton cushioning surround a 204 heat-tempered interwoven coil system that flexes under baby’s movement for targeted support. The steel edge frame and corner pillars create firm, supportive sides for a secure sheet fit and lasting durability. Parents love the PVC-free waterproof barrier that protects against leaks and accidents without sacrificing breathability or quietness. All Sealy Crib Mattresses meet or exceed strict ASTM safety, flammability, durability, and air quality standards, including GREENGUARD Gold Certification for a healthier indoor environment. It’s also compliant with the Children’s Safe Products Act and made without phthalates, lead, latex, or harsh VOCs. Measuring approximately 52" x 28" x 5.5", this lightweight standard size crib mattress fits snugly in most cribs and toddler beds, making sheet changes quick and easy. Proudly made in the USA, Sealy Baby mattresses are trusted by families for their proven quality, safe materials, and superior comfort. Add the Sealy FlexCool 2-Stage baby bed mattress to your baby registry essentials for a peaceful night’s sleep—both for your little one and for you. From the Manufacturer Sealy Baby offers the most trusted crib mattresses and offers safe, supportive, and comfortable toddler bed mattresses, bedside baby bassinets and protective premium crib bedding that parents have depended on for decades. As the leader in safe sleep, comfort, and lasting quality for years, more babies sleep on a Sealy than any other brand in the USA. Sealy Baby crib mattresses are firmness tested to help reduce the risk of suffocation and provide a supportive sleeping surface. In addition, 100% of Sealy Baby crib mattresses are American made by experts who help create industry standards to ensure safety and quality for infants and toddlers. Every baby mattress is Non-Toxic, ASTM Certified, CPSIA Certified and Greenguard Gold Air Quality Certified for a healthier sleeping environment, tested for low chemical emissions, and are made without harsh chemicals for a safer sleep. Sealy Baby's collection of breathable bassinets, bedside sleepers, comfortable diaper changing pads and top-rated, hypoallergenic protective crib mattress pads and encasements are nursery essentials and baby registry must haves that every new parent desires for their newborn. Parents rest easier with a trusted brand, quality products and customer care that is always here to help your family sleep better.

Review: Love! - Great mattress! Fits perfectly into our crib, no sinking or noise! Both babies have this mattress in their cribs!
Review: Great mattress for toddler bed, soft and comfortable and good price point - I bought this mattress for when my child transitioned into her first toddler bed. it fit perfectly and was very comfortable. It also was a great price point and quality was great.

## Features

- Natural & Cooling Breathable Crib Mattress - Cotton surface and airflow pocket offers breathability on baby's gentle skin. PVC-free waterproof barrier protects crib and mattress from leaky messes. Soft fabric is quiet and contains no harmful chemicals
- 2 Stage Dual Sided Crib Mattress Design - Grow with me full size crib mattress design offers a firmer infant side ideal for newborns and a cozier side to fit full size toddler mattress. Measures 52x28" to snugly fit in babys standard full size crib and toddler bed
- GREENGUARD GOLD Certified & Non Toxic Crib Mattress - GREENGUARD GOLD Air Quality Certified, contains no harmful chemicals. Coil mattresses are tested to more standards than foam ones, passing ASTM safety standards
- Durable Infant Crib Mattress - American steel coils flex to adjust to baby's body to provide superior posture support. Sustainable & natural cotton comfort padding. Steel edges plus corner/side strength pillars maintain firmness as baby grows.
- Trusted American Quality Sealy Baby Crib Mattress - Proudly made in the USA, safety tested and quality controlled materials crafted in one location by expert crib mattress team. Sealy is America's Most Trusted mattress brand and the best crib mattress for your little one.
- Pair with Sealy Crib Mattress Protector - For the perfect pair, complete your Sealy toddler bed mattress with a coordinating Sealy Crib Mattress Pad (available in 1-pack and 2-pack options)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074N6BQL3 |
| Age Range Description | Baby, Toddler |
| Assembly required | No |
| Batteries required | No |
| Best Sellers Rank | #5,107 in Baby ( See Top 100 in Baby ) #21 in Crib Mattresses |
| Care instructions | Hand Wash Only |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,968) |
| Department | unisex-baby |
| Form Factor | USA standard crib or toddler mattress |
| Import | Made in US |
| Included Components | Crib Mattress |
| Item Weight | 14.9 pounds |
| Item model number | EM443-STS1 |
| Manufacturer | Kolcraft |
| Product Dimensions | 27.25 x 5.75 x 51.63 inches |
| Refill | Innerspring Coils |
| Thickness | 5.75 Inches |
| Volume | 238.4 Fluid Ounces |
| Warranty Description | Limited lifetime warranty on workmanship & materials. |

## Product Details

- **Brand:** SEALY BABY
- **Cover Material:** Cotton
- **Fill Material:** Innerspring Coils
- **Item Firmness Description:** Firm
- **Item Weight:** 14.9 Pounds
- **Number of Layers:** 4
- **Product Dimensions:** 52"L x 28"W x 5.75"Th
- **Size:** Crib
- **Top Style:** Tight Top
- **Weight Limit:** 60 Pounds

## Images

![Sealy Baby Flex Cool 2 Stage Breathable Crib Mattress with Toddler Bed Fit, Waterproof & Airy Cotton Cover, 204 Premium Coils, GREENGUARD Gold Certified, Safety & Quality Tested, Made in USA, 52x28" - Image 1](https://m.media-amazon.com/images/I/71SBWnLSBjL.jpg)

## Questions & Answers

**Q: Does this mattress contain an inner fiberglass sleeve? You say it is made of polyfoam? Do you mean polyurethane?**
A: Hello and thank you for your interest in our Sealy Baby Flex Cool Crib Mattress. The layers are made of polyester and cotton cushioning. It does not contain polyurethane foam or fiberglass. Hope that helps!

**Q: What is the weight of the mattress itself?**
A: Hello and thank you for your interest in the Sealy Baby Flex Cool Crib Mattress! This mattress weighs 14.75 lbs. We hope this helps!

**Q: What guage steel is used in the innerspring coils and what is the material used in the mattress core?**
A: Thank you for your interest in our Sealy Flex Cool 2-Stage Airy Dual Firmness Crib and Toddler Mattress. This mattress offers a 204 coil count with a 16 gauge steel. We hope this information helps! Please feel free to reach out if you have any additional questions.

**Q: What is purpose of the Cotton cover?  That does not sound water proof**
A: Mine is waterproof. The cover is densely woven.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love!
*by A***R on December 19, 2025*

Great mattress! Fits perfectly into our crib, no sinking or noise! Both babies have this mattress in their cribs!

### ⭐⭐⭐⭐⭐ Great mattress for toddler bed, soft and comfortable and good price point
*by L***T on June 5, 2025*

I bought this mattress for when my child transitioned into her first toddler bed. it fit perfectly and was very comfortable. It also was a great price point and quality was great.

### ⭐⭐⭐⭐⭐ Also good for cats
*by J***Z on September 12, 2025*

Added the crib sheets and before we could put it in the crib, it was already being tested. The baby also loved it. It’s firm but soft and thick. Seems like good quality thus far.

## Frequently Bought Together

- Sealy Baby Flex Cool Breathable Hypoallergenic 2-Stage Dual Firm Waterproof Baby Crib Mattress & Toddler Bed Mattress, Cotton Cover, 204 Premium Coils, Air Quality Certified, Made in USA, 52"x28"
- Crib Mattress Protector Sheets Fitted Waterproof Crib Mattress Pad Cover, Noiseless & Machine Wash 100% Absorbent Crib/Toddler Mattress Protector Sheet Quilted, White, 52" x 28"
- Delta Children Essex 4-in-1 Convertible Baby Crib, Bianca White with Natural Legs

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-29*