This document specifies requirements for the safety of children's sleep bags which are used in the children's sleeping environment (i.e. not under supervision), and designed to provide sufficient warmth so as to remove the need for additional bedding when sleeping in a cot or similar product in which a child is contained. It is applicable to products for use by younger children based on the ability of the children to not being able to climb out of the cot (approximately under the age of 24 months). NOTE The informative Annex D lists topics of further investigations, which might lead to necessary improvement of the safety requirements of children's sleep bags. This document does not apply to products designed for use during the care of premature children or children of low birth weight or for outdoor use or to products designed to keep a child warm in a pushchair or car seats (e.g. foot muff). If a part of the children's sleep bag is designed to offer additional function (e.g. play function), this part shall, in addition to the following requirements, be subjected to safety requirements related to relevant standards (see A.1).