---
product_id: 740558544
title: "happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory"
brand: "happiest baby"
price: "¥762"
currency: JPY
in_stock: false
category: "Happiest Baby"
url: https://www.desertcart.jp/products/740558544-happiest-baby-100-organic-snooo-sleep-sack-large-ivory
store_origin: JP
region: Japan
---

# 100% Organic Cotton Doctor-Approved Hip Safety Promotes Longer Infant Sleep happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory

**Brand:** happiest baby
**Price:** ¥762
**Availability:** ❌ Out of Stock

## Summary

> 🌙 Sleep Smarter, Parent Happier — The #1 Swaddle Revolution!

## Quick Answers

- **What is this?** happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory by happiest baby
- **How much does it cost?** ¥762 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/740558544-happiest-baby-100-organic-snooo-sleep-sack-large-ivory)

## Best For

- happiest baby enthusiasts

## Why This Product

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

## Key Features

- • **Organic Comfort:** Crafted from luxuriously soft, breathable 100% organic cotton for sensitive baby skin and year-round comfort.
- • **Adaptive Swaddling:** Snap-off arm openings for smooth transition to independent sleep with arms free, perfect for growing babies.
- • **Hip-Healthy Design:** Endorsed by the International Hip Dysplasia Institute to support natural, healthy hip development.
- • **Ultimate Sleep Solution:** Clinically designed by Dr. Harvey Karp to boost baby’s sleep quality and reduce startle reflexes.
- • **Parent-Friendly Features:** Extra-quiet Velcro and dual zippers enable seamless, disturbance-free nighttime diaper changes.

## Overview

The Happiest Baby SNOO Sleep Sack is a pediatrician-designed, award-winning baby swaddle made from 100% organic cotton. It features breathable mesh panels to prevent overheating, secure Velcro and dual zippers for easy diaper changes, and a hip-safe design approved by the International Hip Dysplasia Institute. Engineered to mimic the womb’s snug embrace, it promotes longer, safer infant sleep and supports healthy hip development, making it the go-to choice for millennial parents seeking premium, science-backed baby sleep solutions.

## Description

About Snooo Sleep Sack The 5-Second Swaddle! This award-winning swaddle sack was created by Dr. Harvey Karp, America's most celebrated paediatrician. Dr. Karp is the doctor whose 5 S's started the Swaddle Revolution and he designed every detail of SNOO Sleep Sack with baby safety—and parent sanity—in mind. SNOO Sleep Sack is the ultra-soft, ultra-easy swaddle sack that helps babies be happier and sleep better! Made with 100% organic cotton SNOO wings that keep babies safely on the back…for all naps/all nights Special inner arm bands and leg flap keep even little Houdinis bundled all night Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval) Extra-quiet Velcro, so light sleepers do not startle awake with nappy changes Breathable mesh—at shoulders and legs—to reduce overheating Arm openings that are easy to unsnap for babies who prefer their arms out Double-zipper—opens from top or bottom—for easy midnight nappy changes We have worked hard to think of it all! Colours: Rose Planets, Teal Planets, Midnight Planets, Charcoal Planets, Graphite Planets, Ivory Planets, Ivory Planets with Black Wings, Charcoal Stars, Graphite Stars, Ivory Limited Edition Colours: Ivory Pine, Ivory Snooflake Intended for use in SNOO only. SNOO Sleep Sack Size Guide Small: 2-5 kg Medium: 10-18 lbs Large: 8-12 kg Note: SNOO Sacks and sheets sold separately. Click here for SNOO Sheets.

## Features

- "#1 Swaddle" New York Times: rated America's best baby swaddle. Our SNOO sleeping bag has been designed by paediatricians and the world's leading hip-proof puck expert Dr. Harvey Karp. Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval)
- 100% ORGANIC COTTON: made from luxurious soft organic cotton with special wings that attach to our SNOO Smart Sleeper to keep babies safe on their backs. Includes extra quiet Velcro closure for escape proof security and 2-way zip that opens from top or bottom for easy midnight nappy changes.
- MORE SLEEP Our baby swaddle sleeping bag prevents fright and promotes baby's sleep quality with special inner flaps that give your baby or girl in the womb that cuddly hug. Arm openings can be opened to get arms out. Great transition swaddle for moving to cot with arm free, independent sleep training.
- 5 Seconds Baby Swaddle Wrap The Happiest Baby Swaddle Wrap is the easiest, safest, fastest, escape proof baby swaddle. It promotes self-calming and keeps babies sleep longer than other swaddles.
- PREVENTS OVERHEATING Breathable mesh on shoulders and legs of Baby Warp reduces risk free overheating. Safer and more comfortable than other swaddle blankets, blankets or baby sleepers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08Y3DLSB5 |
| Age Range Description | Baby |
| Best Sellers Rank | #98,088 in Baby Products ( See Top 100 in Baby Products ) |
| Blanket Form | Swaddle |
| Brand | Happiest Baby |
| Colour | ivory |
| Country of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,743) |
| Enclosure Material | Cotton |
| Fabric Type | 100% Cotton |
| Fabric Warmth Description | Lightweight |
| Fill Material | Cotton |
| Item Dimensions L x W | 33L x 59W Centimeters |
| Item Weight | 2 Kilograms |
| Manufacturer | Happiest Baby |
| Model Name | SNOO Sleep Sack |
| Model number | 5221SNSS102 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Product Features | Breathable |
| Recommended User Type | Baby |
| Recommended Uses For Product | Sleeping with babies |
| Seasons | All |
| Size | Large |
| Style | Casual |
| Theme | Space |
| UPC | 817720022744 |
| Unit Count | 1.0 Count |

## Product Details

- **Age Range (Description):** Baby
- **Blanket Form:** Swaddle
- **Brand:** Happiest Baby
- **Colour:** ivory
- **Material:** Cotton
- **Pattern:** Solid
- **Product Dimensions:** 33L x 59W Centimeters
- **Special Feature:** Breathable
- **Style:** Casual
- **Theme:** Space

## Images

![happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory - Image 1](https://m.media-amazon.com/images/I/11moMm-Iv8L.jpg)
![happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory - Image 2](https://m.media-amazon.com/images/I/51tYYSFAWGL.jpg)
![happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory - Image 3](https://m.media-amazon.com/images/I/41cesze7OTL.jpg)
![happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory - Image 4](https://m.media-amazon.com/images/I/51qy5Cd3DML.jpg)
![happiest baby 100% Organic Snooo Sleep Sack - Large - Ivory - Image 5](https://m.media-amazon.com/images/I/513HlBckG1L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- Happiest Baby SNOO Sleep Sack - 100% Organic Cotton Baby Swaddle Blanket - Doctor Designed Promotes Healthy Hip Development (White, Medium)
- Happiest Baby SNOO Bassinet Fitted Sheet - 100% Organic Cotton Nursery Bedding - Fits SNOO Sleeper Crib Mattress (White)

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**Shop now:** [https://www.desertcart.jp/products/740558544-happiest-baby-100-organic-snooo-sleep-sack-large-ivory](https://www.desertcart.jp/products/740558544-happiest-baby-100-organic-snooo-sleep-sack-large-ivory)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-04*