---
product_id: 341237986
title: "Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63\" X 27.25\""
brand: "sealy baby"
price: "¥118331"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/341237986-sealy-baby-posture-2-stage-dual-firmness-waterproof-standard-toddler
store_origin: JP
region: Japan
---

# 100% Waterproof 182 Steel Coils 2-Stage Design Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25"

**Brand:** sealy baby
**Price:** ¥118331
**Availability:** ✅ In Stock

## Summary

> Sleep Tight, Little One! 🌙

## Quick Answers

- **What is this?** Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25" by sealy baby
- **How much does it cost?** ¥118331 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/341237986-sealy-baby-posture-2-stage-dual-firmness-waterproof-standard-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

- • **Easy to Clean Waterproof Cover:** The 100% waterproof cover wipes clean effortlessly, making messes a breeze to handle.
- • **Dual Firmness for Growing Needs:** Experience the perfect balance of support and comfort with a firmer side for infants and a softer side for toddlers.
- • **Premier Support with Steel Coils:** 182 posture-supportive steel coils ensure durability and a restful sleep for your little one.
- • **Perfect Fit for Cribs and Toddler Beds:** Designed to meet ASTM crib mattress standards, ensuring a snug fit in cribs and toddler beds.
- • **Safety First with GREENGUARD Certification:** Rest easy knowing all materials are GREENGUARD Gold Certified for a healthier indoor environment.

## Overview

The Sealy Baby Posture 2-Stage Dual Firmness Crib Mattress is designed for infants and toddlers, featuring a firmer side for infants and a softer side for toddlers. With 182 supportive steel coils and a 100% waterproof cover, this mattress is both durable and easy to clean. GREENGUARD Gold Certified for safety, it meets ASTM standards for a perfect fit in cribs and toddler beds.

## Description

Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25"

## Features

- 2-STAGE FIRMNESS -- 2-Stage design means there is a firmer side for infants and then flip over the mattress for a softer side for toddlers who might love to curl up in comfort to sleep on their sides. Check tag for details.
- PREMIER SUPPORT -- With 182 posture supportive steel coils this is one of the more premier and substantial baby mattresses available. Our American-made coils are quality tested for firmness and durability.
- WATERPROOF COVER -- 100% waterproof cover wipes clean easily and is reinforced for years of use.
- SAFETY & QUALITY TESTED -- All the materials are GREENGUARD Gold Certified for a healthier indoor environment. The gold standard is a strict air quality standard designed for products used with children, especially sensitive children.
- PERFECT FIT -- Tested to ASTM crib mattress standards for a perfect fit in cribs and toddler beds, measures 51.63 x 27.25 x 5. 5 inches. Beds, bed frames and foundations sold separately.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Department | baby-girls |
| Manufacturer | AmazonUs/KOLBD |
| Country of Origin | USA |
| Item model number | EM444-SOP1 |
| ASIN | B07XJR37PY |

## Product Details

- **Brand:** SEALY BABY
- **Size:** Crib
- **Product Dimensions:** 131.1L x 69.2W x 14.6Th Centimeters
- **Top Style:** Tight Top
- **Special Feature:** Antibacterial, Water Resistant
- **Colour:** gold
- **Model Name:** Sealy
- **Product Care Instructions:** Hand Wash Only
- **Is Customisable:** No
- **Portable:** No

## Images

![Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25" - Image 1](https://m.media-amazon.com/images/I/71RHTog7FJL.jpg)
![Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25" - Image 2](https://m.media-amazon.com/images/I/71sJ-yaVA4L.jpg)
![Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25" - Image 3](https://m.media-amazon.com/images/I/713BLgc3ZCL.jpg)
![Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25" - Image 4](https://m.media-amazon.com/images/I/712kAJ7EA1L.jpg)
![Sealy Baby Posture 2-Stage Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.63" X 27.25" - Image 5](https://m.media-amazon.com/images/I/81xjWuEod3L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/341237986-sealy-baby-posture-2-stage-dual-firmness-waterproof-standard-toddler](https://www.desertcart.jp/products/341237986-sealy-baby-posture-2-stage-dual-firmness-waterproof-standard-toddler)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-08*