The 100% Micro Fiber pillow cover is soft and gentle on hair. It’s breathable, and a good choice for people who tend to sleep hot. The Siliconized Fiber Ball filling prevents the attachment of dust mites and bacteria. It’s antimicrobial and hypoallergenic and resists the growth of molds and mildews and holds its shape better than other types of fiberfills. Machine wash, max 40°C, normal process Do not bleach Tumble drying, low temperature (max 60°C