Polyester & Polyester Blend. Made in USA or Imported Size:18X18inch (45X45cm)Set of 2.Sofa Throw Pillows Case stable size, no shrinkage.Pillow insert or filler are not included. Lightweight and durable 1 throw pillows??Insert is not included.Do not use high temperature ironing and boiling water to soak to the pillow cases. Our pillow cases are Double-Sided pattern and hidden zipper pillow case.Double-sided pattern design, bright colors, add color to your space throw pillow covers. Decorative pillow covers are Machine washable and long lasting.You can take as a Gift for friends and children, decorative sofas, bedrooms, rooms, offices, and more. The pillow cover is made with color matching invisible zipper that allows easy insertion and removal of pillow inserts,cleaning and replacement.