Double-sided Mulberry Silk Health Care Memory Foam Pillowcase (Grey) Material: High-quality Silk Size: 19.7''* 11.8''* 3.9'' Include: One Pillowcase Pillowcase is an ideal choice for anyone suffering with headaches, neck or spinal problems. Feature:100% Mulberry silk silk pillowcase memory, superior breathability and moisture absorption, so that we can get skin deep breaths every night