1. Printed pillow cases are supported to customize 2. All pillow cases sold in this shop do not contain pillow core. If you need pillow core, please click the link of pillow core 3. This is a single-sided digital printing pattern, with no pattern on the back, so we need to contact customer service for double-sided printing 4. The material of this link is linen, (we also have peach skin, short plush, cotton and linen, super soft, material sales can contact customer service