Pal Fabric (Set of 2) Premium Cotton Feel Microfiber Square Sham Pillow Insert 18x18 Made in USA Set of 2 -18x18 Cotton Feel soft Brushed Microfiber Pillow Insert,Polyester cover and Polyester Fiber filling Sofa Pillow, Sham Pillow or Bedding Accessories 100% Made In USA by Pal Fabric(R). Ship and Sold from United States. Machine Washable It is great for 16x16 or 17x17 Pillow Cover, if you want to have full anf fluffy looking pillow for 18x18, you should order 20x20 Pillow inserts High soft about 8-10 in thickness