Vincent 60s A-grade Antibacterial Washable Pure Cotton 1100g Medium White PillowAdopting spinning grade antibacterial technology, with 24 hour lasting antibacterial effect and up to 99% inhibition rate; Filled with 1. 33D ultra fine feather fibers, which have been fully siliconized and moderately curled, forming a dense fiber layer that is only a fraction of the size of regular fibers; The pillow is fluffy with a temperature locking function, providing warmth and cold protection; They have been certified by the O TEX 100