izo all supply square sham stuffer throw pillow insert, white, 18 by 18 inches, pack of 4 izo all supply the square sham stuffer throw pillows are made of nonwoven firm fabric with solid white smooth finished edges that provides a soft polyester and non-allergenic supportive comforts with virgin fiber filling. the square sham stuffer pillow can be used as rejuvenate decorative bed pillow, sofa and couch pillow. this fashionable bedding accessory offers great looks and endless comfortable. the square sham stuffer pillows are hypoallergenic and nontoxic, it is measured with a length of 18 inches and a width of 18 inches. the square sham stuffer pillow is easy to wash on machine, tumble dryer with no heat to avoid clumping