Inspired by the beloved storybook by Maurice Sendak, this charming sheet set adds a playful touch to your little one’s room. *100% organic cotton *Two pillows cases with envelope closures * Fitted sheet has universal elastic (elastic around the entire edge) for a snug, secure fit. *Machine wash/tumble dry *Excellent condition-no stains or marks Certified Global Organic Textile Standards: This product meets the gold standard of textile production, organic fiber, contains no restricted chemicals and meets strict social responsibility standards. Thank you for checking out my item. Please let me know if you have any questions!