100% cotton. Certified to standard 100 by OEKO-TEX. OEKO-TEX: Confidence in textiles. Standard 100 16. 2013OK0176 AITEX. Tested for harmful substances. www.oeko-tex.com/standard100. gerberchildreswear.com. For additional questions or comments, please contact us at www.gerberchildswear.com. 100% Recycled paperboard. Made in Pakistan.