VIPbuy Top Quality Square Decorative Pillow Insert White, 20x20 Inches 20x20 inches square pillow insert, suitable for 18x18 inches throw pillow cover Decoration note: Your pillow insert should be larger than your pillow sham to correctly fill the pillow cover. Material: AAA grade eco-friendly cellucotton Very soft, breathable, comfortable and wonderfully fluffy Add flair and comfort to your rooms with this excellent plump pillow insert, covered with your favorite cover.