� Cotton ?INSERTS OPTION?� 18x18 inches � pack of 1 throw pillow cover (With or Without Insert) ?PREMIUM MATERIAL?� The square throw pillowcases are soft durable on both sides. Super comfortable skin-friendly and wear-resistant. ?HIGH QUALITY?� Invisible and hidden zipper is sewed with neat stitches of high-quality workmanship making easy to remove or stuff a pillow. The strong invisible zipper makes the large pillows for couch more beautiful and durable. ?UNIQUE DECOR?� Multiple colors to choose from. 18 inches pillow covers will refresh your home decoration bed sofa couch chair car patio farmhouse bedroom office indoor & outdoor etc. It also will be a great gift for friends or families especially for girls and women. Great gift ideas for Mother s Day Valentine s Day Father s Day Christmas and New Year s Eve.