Pillowflex Set of 2 Synthetic Down Alternative Pillow Inserts for Shams (12 Inch by 16 Inch) Use the yellow sizing chart image to the left to select the best size insert for your sham, for the fullest corners we recommend this insert in 12"x14" or 12"x16" shams Get the look and feel of traditional down from a polyester pillow without the worry of allergies Karate chop look - Similar weight and softness as traditional down 100% Polyester fiber filling / Shell is made of a Polyester - Cotton blend cloth in the USA Made in USA from American Fibers and American made shell