90% cotton/10% cotton MATERIAL: cotton, soft and skin-friendly, no fading or apasion, can be used outdoors. This pillow cover has an invisible zipper. Machine wash in cold water VARIOUS FUNCTIONS: Suitable for indoor: bed, sofa, seat, couch, pving room, bedroom, etc. Good decorations for outdoor garden, tent, bench, balcony, party, picnic, wedding, office, cafe, etc. WHAT'S INCLUDED: This cover fits 12x20 inch insert, NOTE: All our pillow covers are made to ensure a snug fit. Each psting size refers to the pillow DESIGN AND FEATURES: The pattern is single-sided. These pillows come with Invisible Zipper (Sturdy and Smooth) for elegance. Large opening for EASY INSERTING and REMOVING pillows. Tight zigzag seams to avoid fraying and tearing. WASHING TIPS: Machine wash in cold water separately, gentle cycle only, do not bleach., Do not iron and it will look brand new.