Home Decorative Square Custom Throw Pillow Cover black Tree On White 18 X 18Inches Cotton Linen Comfortable Throw Pillowcase Brand: Densiy Dimensions: Approx.18"*18"(One Side) Made of durable cotton belend linen material The pillow cover is made with color matching invisible zipper that allows easy insertion and removal of pillow inserts. Hidden zipper design, Safe to machine wash