# Choosing a Sleep Sack Size by Weight and Height How should a parent choose the right sleep sack size for a baby? ergoPouch Sleep Sack 2\.5 TOG Elephant Parade: ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size\. Pouch length is 80 cm for 3\-12M, 90 cm for 8\-24M and 105 cm for 2\-4Y; 3\-12M fits 6\-10 kg and 62\-76 cm, 8\-24M fits 8\-14 kg and 68\-92 cm, and 2\-4Y follows height markers of 92\-108 cm\. ergoPouch advises not to move up to the next size until the child meets the weight requirement, for safety reasons\. ergoPouch says the sleep sack should be well fitted around the neck and armholes so the baby cannot slip through\. ergoPouch Sleep Sack 2\.5 TOG: The maker says to use the child's weight and height to pick the most appropriate and safe size\. The 3\-12M Sleep Sack is 80 cm long and is intended for children of 6\-10 kg and 62\-76 cm\. ergoPouch Sleep Sack 0\.2 TOG Starbeam: Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons\. The sleep sack should be well fitted around the neck and armholes to help avoid the baby slipping through\. ### 1. [ergoPouch Sleep Sack 2\.5 TOG Elephant Parade](/products/ucp/ergopouch-com/8712495628457) (sold by ergopouch\.com) ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size\. - Size chart: Pouch length is 80 cm for 3\-12M, 90 cm for 8\-24M and 105 cm for 2\-4Y; 3\-12M fits 6\-10 kg and 62\-76 cm, 8\-24M fits 8\-14 kg and 68\-92 cm, and 2\-4Y follows height markers of 92\-108 cm\. (manual) - Weight and height rule: ergoPouch says to use the child's weight and height together to choose the most appropriate and safe size\. (manual) - Moving up a size: ergoPouch advises not to move up to the next size until the child meets the weight requirement, for safety reasons\. (manual) - Fit: ergoPouch says the sleep sack should be well fitted around the neck and armholes so the baby cannot slip through\. (manual) ### 2. [ergoPouch Sleep Sack 2\.5 TOG](/products/ucp/ergopouch-com/8261736792233) (sold by ergopouch\.com) The maker says to use the child's weight and height to pick the most appropriate and safe size\. - Size chart: The 3\-12M Sleep Sack is 80 cm long and is intended for children of 6\-10 kg and 62\-76 cm\. (manual) - Weight and height rule: The maker says to use the child's weight and height to pick the most appropriate and safe size\. (manual) - Moving up a size: - - Fit: - ### 3. [ergoPouch Sleep Sack 0\.2 TOG Starbeam](/products/ucp/ergopouch-com/8862969331881) (sold by ergopouch\.com) Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons\. - Size chart: - - Weight and height rule: - - Moving up a size: Buyers are told not to move up to the next size until the child meets that size's weight requirement, for safety reasons\. (manual) - Fit: The sleep sack should be well fitted around the neck and armholes to help avoid the baby slipping through\. (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 2026-10-14T06:05:28.725Z. 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)