Full length zipper closure provides quick easy removal and added pillow support throughout the night Lightweight Brushed Microfiber offers a soft luxurious pillow cover for a premium sleep experience Curved design made to suit curved side sleeping pillows sized at 20 inches x 36 inches Fits comfortably over curved pillows. actual pillow cover size is 20 inches x 37 inches Machine wash, tumble dry or iron on low temperature, do not bleach Curved Pillow case for Side Sleeping Pillows Full length zipper closure provides quick easy removal and added pillow support throughout the night Lightweight Brushed Microfiber offers a soft luxurious pillow cover for a premium sleep experience Curved design made to suit curved side sleeping pillows sized at 19 inches x 36 inches Fits comfortably over curved pillows. actual pillow cover size is 21 inches x 37 inches Machine wash, tumble dry or iron on low temperature, do not bleach