# Cocoon swaddle sack compared with regular sleep sack What is the difference between the cocoon swaddle sack and the regular sleep sack? ergoPouch Hip Harness Cocoon Swaddle Sack 2\.5 TOG Grey Marle: The sack is designed for babies being treated for Developmental Dysplasia of the Hip \(DDH\) who have to wear a special brace \(orthosis\)\. The structured product data lists this product's TOG rating as 2\.5 TOG\. The structured product data lists two sizes for this Grey Marle 2\.5 TOG sack: 3\-6M and 6\-12M\. ergoPouch Hip Harness Sleep Sack 3\.5 TOG Oatmeal Marle: It is a sleep sack for infants and toddlers who are required to wear a special brace \(orthosis\)\. TOG rating is 3\.5 TOG\. Available in sizes 3\-12M and 8\-24M\. For 3\-12M: chest width 30 cm, bottom width 70 cm, pouch length 80 cm; child weight 6\-10 kg and height 62\-76 cm\. ### 1. [ergoPouch Hip Harness Cocoon Swaddle Sack 2\.5 TOG Grey Marle](/products/ucp/ergopouch-com/8261735415977) (sold by ergopouch\.com) The sack is designed for babies being treated for Developmental Dysplasia of the Hip \(DDH\) who have to wear a special brace \(orthosis\)\. - Purpose: The sack is designed for babies being treated for Developmental Dysplasia of the Hip \(DDH\) who have to wear a special brace \(orthosis\)\. (guide) - TOG rating: The structured product data lists this product's TOG rating as 2\.5 TOG\. (guide) - Sizes: The structured product data lists two sizes for this Grey Marle 2\.5 TOG sack: 3\-6M and 6\-12M\. (guide) - Dimensions: - ### 2. [ergoPouch Hip Harness Sleep Sack 3\.5 TOG Oatmeal Marle](/products/ucp/ergopouch-com/8261735645353) (sold by ergopouch\.com) It is a sleep sack for infants and toddlers who are required to wear a special brace \(orthosis\)\. - Purpose: It is a sleep sack for infants and toddlers who are required to wear a special brace \(orthosis\)\. (listing) - TOG rating: TOG rating is 3\.5 TOG\. (guide) - Sizes: Available in sizes 3\-12M and 8\-24M\. (listing) - Dimensions: For 3\-12M: chest width 30 cm, bottom width 70 cm, pouch length 80 cm; child weight 6\-10 kg and height 62\-76 cm\. (manual) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-12T16:17:28.890Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)