Pile of Pillows Pillow Forms Cushion Insert, 16 by 16-Inch, 4-Pack 100% Polyester Made in the USA or Imported Fill: 100% Polyester Grade A Hollow Conjugated Siliconized Fiber Fill 100% Polyester Non-woven highly durable and comfy outer cover shell Hypo-allergenic! Made in our Vancouver workshop to be super comfy!