These throw pillow inserts are designed to add soft yet supportive comfort to sofas, beds, and seating areas. Each set includes two 18" x 18" square pillows filled with polyester fiber for a plush feel and resilient support. The zipper design allows you to adjust the filling to suit your preferred loft and comfort level. Four-side stitching helps the pillows maintain their shape through daily use. Their clean white finish and versatile design make them suitable for both decorative and functional use.