These pillowcases feature surreal artworks of the ocean’s most elusive mythical creatures! It is well made with high-grade cotton and linen. The weave of the material is coarse, but the fabric has a smooth ultra-comfortable feel. It is a perfect fit for the correct size pillow inserts that you can find to put in it. The zipper is strong, well sewn, and completely hidden. The back is a clear beige color. Finally, the lovely mermaid design is perfectly vivid and clear, making it more beautiful in real life!