? Premium Material: the Standard Pillow Covers Made of 88% Polyester + 12 % Nylon.? PACKAGE INCLUDE: 2 pack pillow cases?(20×26) (Pillows are not included.)? BREATHABLE & COMFORTABLE: Polyester knit fabric is breathable and comfortable, the standard pillow cases are 100% waterproof and won’t trap heat while you sleep.? MULTIPLE USES: The white pillowcases can mix and match with different materials pillows, like fur, cotton, linen, velvet, leather, etc. And suit for many place, like sofa, bed, bench, car, chair.? HIGH QUALITY ZIP: Fully encasing your pillow with a durable and comfortable zippered protector, the pillow protectors allows easy insertion or removal of a cushion. Better looking and easier to fill your pillow insert.? EXCELLENT WORKMANSHIP:?The zippered pillowcase with good stitching and exquisite workmanship reduce loose thread. The soft pillow case ensure you will be waking up feeling rested and refreshed every morning.? EASY TO CARE: The soft pillow case can use machine wash by separately, gentle cycle only, no bleach, low temperature iron.