Pillow Cover With Insert Hypo Allergenic(Insert are Included) (12"x18", Navy Blue) Brand New Solid Color Pillows Cover With Insert X 1Pc It Made by 4" Larger than the Pillow Cover. It Feels Softner & Puffier Cover: 100% Polyester Filling: 100% Polyester Fiber. Hypo Allergenic One Sided Zipper On Cover. Easy Install And Removal