With the gang in tow, your little one will sleep easy in the knowledge that smiley happy zoo friends are only a wink away * 2.5 tog is 100% woven cotton outer with 100% super-soft cotton jersey lining filled with a quick dry polyester filling * 6-18 month and 18-38 month sizes have front zips with zip clicks, the zip click cover stops adventurous little ones from opening their zippers * Machine washable and can be tumble dried on low heat, includes user guide and safe sleep information * Choosing a tog: 2.5 tog all year round (61-68 degrees F)