Premium 18"x18" White Cotton Feel MicroFiber Square Sham Euro Sofa Bed Couch Decorative Pillow Insert Form Fill Stuffer Cushion Made in USA For Pillow Cover or Case (18x18) Full and fluffy soft pillow insert The Pillow insert is designed for 16x16" or 17"x17" Pillow Cover to have a nice and full looks. If your Cover is 18x18, I suggest you order Pal Fabric 20x20 to have a very full looking. Made by Pal Fabric(R) with Premium Cotton Feel like Microfiber Fabric in USA Polyester cover and polyester fiber filling High soft about 8-10 inches thickness