Material: faux linen, 100% polyester.</br>Size:18 "x 18". It fits 18x18 inch insert or smaller insert. As a result of manual production, sewing and cutting will inevitably occur a little deviation, please allow 1-2 cm.</br>Package Include: ONLY 4 PILLOW COVERS , NO PILLOW INSERT/FILLER!</br>Zipper: High quality invisible zipper at the bottom, easy to cram pillow insert / filler.</br>Use and Clean: Recommended indoor use. Machine washable or hand washable, Wash with warm water, do not dryclean, do not iron, tumble dry with medium heat, do not bleach.</br></br>Need more?</br>Check out more unique decorative throw pillow covers, please search ArtSocket on Amazon.