Our pillows are 15.75" x 15.75" Polyester Linen. Crafted from top-quality polyester linen, this pillow is a marriage of elegance and durability. Its smooth texture and luxurious feel invite relaxation. The pillow features a zippered bottom for easy insertion and removal of the included synthetic down pillow insert. The synthetic down filling provides a plush and substantial feel, adding both beauty and comfort to your space.