Luvfabrics - 18" X 18" Sham Stuffer Square Pillow Form Insert Polyester 4 Pack Fill: 100% Polyester Grade A Hollow Conjugated Siliconized Fiber Fill 100% Polyester Non-woven highly durable & comfy outer cover shell Best for 17 x 17; 16 x 16 and 15x15 pillow cover Rejuvenate a decorative bed pillow or sofa pillow Resilient / Refluffable; For use in indoor or outdoor shams and decorative pillow covers