WUWE&reg; Beautiful Peacock Tail Personalized Square Cotton Blend Linen PillowCase Decor Cushion Covers 18x18 Inch (PACK of Four) Measures 17.5 inches square, 44 x 44 cm. This cover has an invisible zipper, no Insert. Made of cotton linen fabric. The pattern is only on one side. 4 pillow covers in one pakage