Material: Made of 100% polyester and polyester blended. Easy to care: Pillowcase can be machine washed in cold or warm water, gentle circulation.Try to avoid bleaching and drum drying at low temperaturesIt can also be dried naturally. The ideal holiday gift choice: give your family, friends, children and yourself these pillows. To express the best wishes for them. Durable and environmentally friendly material: Made of polyester fabric with good breathability. Non-toxic and environmentally friendly. Special and unique features: Standard pillowcase 16" x 16"/ 40 x 40 cmã€18" x 18"/ 45 x 45 cmã€20" x 20"/ 50 x 50 cm three sizes (since sewing and cutting will inevitably occur a little deviation, please allow 1-3 cm). One side invisible/invisible zip closure.Warm reminder: If you have any questions, you can consult us. wish you a happy life.