PACKAGE INCLUDES: Set of 4 Halloween pillowcases, no insert or filling. The pattern is only on the front and no print on the back. SIZE & MATERIAL: This pillowcase fits 18x18 inch insert, NOTE: All of our pillowcases are made to ensure a tight fit. Each listing size refers to the size of the pillowcase and not the size of the pillowcase. To ensure the right fit, we make all pillowcases slightly smaller (about 0.5 inches smaller) than the insert size. EASY TO PUT ON: Color-coordinated hidden zipper provides an elegant look, and it is super easy to stuff pillows/fillings into this pillowcase. WASHING TIPS: Machine wash in cold water separately, gentle cycle only, do not bleach. MATERIAL: Made of polyester linen, soft and skin-friendly, no fading or abrasion, can be used outdoors.