This 17x17 square pillow is 70% cotton and 30% acrylic. It is machine washable or can be drycleaned. Pillow Decor will sell you just the entire pillow (with your choice of polyfill or feather inserts) or just the cover.
This particular design features a cream background with fuchsia lilies and chocolate leaves. With polyfill inserts, it retails for $29.95 and is available from the website.
Have at it!