OSR DOWN FEATHER INSERT 100% cotton cover for long lasting use SIZES:22" X 22" fits cover size 22" x 22" & 20" x 20" 14" X 22" fits cover size 14" x 20" Our down feather insert is plush and lightweight. Known for its exceptional insulation properties, it provides superior warmth and loft, making it ideal for pillows. The insert features a durable, breathable cover that encases the down feathers, ensuring even distribution and maintaining its fluffiness over time. It is often hypoallergenic and resistant to dust mites, making it a healthy choice for a cozy, restful sleep.