Simple, supportive, and made to last. Filled with high-quality polyester fiber, this insert adds structure and softness to any decorative pillow. The fibers are hypoallergenic and certified for safety. Wrapped in a breathable cotton shell. Ideal for decorative use. The 20" insert is perfect for 18" covers if you want a full, plush look. Machine wash cold, delicate cycle and tumble dry low. Designed for everyday comfort.