The luxurious 525 Thread Count Pillow cases are made of 100% soft long staple cotton. The pillow cases have bordered hem with coordinating color to enhance the bedroom decor . The finish weave is made of single ply yarn to give you a smooth, silk, luxurious finish. Standard Pillow cases (Pair) Includes: 2 standard pillow cases: 20" width x 30" length. King Pillow cases (Pair) Includes: 2 king pillow cases: 20" width x 40" length