Polyester fiber Dimensions and material: This pillowcase is suitable for a pillow core measuring 45.86 x 45.72cm. Each listed size refers to the size of the pillow core, not the size of the pillowcase. Please note: All of our pillowcases are designed to ensure comfort. To ensure proper fit, we made all pillowcases slightly smaller than the pillow core by approximately 0.7inch. Soft, skin-friendly, non-fading, non-abrasive, waterproof Easy to insert: Only the pillowcase. The color-coordinated hidden zipper closure provides an elegant appearance and makes it very easy to insert the pillow/filling into the pillowcase. Packing list: 1 set of 2 pillowcases, made of high-quality fabric with a waterproof coating. Waterproof coating can effectively block water droplets. No filler or padding. Double-sided printed pattern. Invisible zipper pillowcase has an invisible zipper. Can be machine washed in cold water, very suitable for use in projects, on patios, or as sofa decorations, etc. This is a lovely gift for family and friends Washing instructions: Machine wash separately in cold water, gentle cycle, do not bleach.