Inspired styles for little ones created in collaboration with a designer. For children safety sleepwear should be either flame resistant or tight fitting and this item is tight fitting and not flame resistant. Made of breathable ribbed cotton with gentle stretch for comfortable everyday wear. These fun character pajamas for bedtime feature favorite characters for cozy sleep. Certified STANDARD 100 by OEKO TEX which requires textiles based products to be tested against a list of over 1000 chemicals to limit those which may be harmful to human health. Made from 100 percent US Cotton as verified by the US Cotton Trust Protocol.