Burt's Bees Baby Organic Zip Front Non-Slip Footed Sleeper Pajamas 100% Cotton Imported Zipper closure Machine Wash 100percentage certified organic cotton we only use gots certified organic cotton. This makes our product ideal for your little bee's sensitive skin Award winning softness we are proud to have won both the 2016 and 2017 cribsie award for the snuggliest and softest pajamas!