This is a luxurious, “Woolmark” & “Standard 100 by Oeko-Tex®” quality certified, quilted all-around Australian wool pillow. It has a micro-gel filled core which ensures long lasting performance as they will not clump or mat as the pillow ages and this core adds a Layer of Firmness. It is naturally dust mite resistant, hypoallergenic and perfect for all sleeping styles. Wool pillow is made with a gusseted construction and a cotton twill piping. The shell is 100% cotton. The quilted top is filled with 100% pure Australian wool. This pillow breaths to control humidity, body temperature and comfort. Quilted wool filled top insulates incredibly well and maintains an even temperature. Your head will be able to stay warm in winter and cool in summer, meaning you won’t wake up or sleep restlessly due to temperature. It is a complete myth that wool is hot. Wool is breathable. Wool has the unique ability to absorb the moisture without getting damp. Woollen fibres have a self-cleaning mechanism which forces moisture to the surface where it dissipates into the air. The wool is naturally resistant to mold and mildew and it is hypoallergenic. Wool pillow is naturally dust mite resistant, up to 20,000 dust mites have been known to live in a single mattress. Care Instructions: To ensure long life and infrequent cleaning, it is highly recommended that the wool pillow be used with a pillow protector. If used with a pillow protector, you can maintain the freshness of the pillow by airing it outdoors occasionally (avoid direct sunlight) or tumble dried cool air for 15-20 minutes. Spot clean or hand wash if required, using a mild detergent in cold water. You can machine wash in cold water on delicate cycle using mild detergents used for delicate fabrics and tumbled dry on low in large size dryer or line dry. Do not wring or twist. Must dry completely. Must use commercial size washer or dryer. Do not bleach.