silk & cotton - more info check here: https://www.textile-product.com/cassia-pillow-case-30107546/
Quick Brief
Material: 100% Silk
Filling: Other
Age Group: Adults
Part: Neck
Shape: Column
Use: Neck, Travel, Sleeping, Nursing, Camping
Feature: Anti-Static, Massage
Place of Origin: China (Mainland)
Brand Name: LVZHONGYUAN