This luxurious, quilted top silk pillow is dust mite resistant and naturally hypoallergenic and perfect for all sleeping styles. Silk pillow is made with a gusseted construction and a cotton twill piping. The shell is 100% cotton. The quilted top is filled with natural silk. 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. Silk pillow breaths to control humidity, body temperature and comfort. Silk has some amazing hypoallergenic properties. Silk is a natural protein and therefore is far less hospitable to dust mites, which can trigger allergic reactions such as asthma, eczema and rhinitis. Up to 20,000 dust mites have been known to live in a single mattress. Care Instructions: To ensure long life and infrequent cleaning, you can maintain the pillow by spot cleaning if required. Do not wring or twist, do not bleach. Pillow must be washed in cold water on delicate cycle using detergents used for delicate fabrics and tumbled dry on low or line dry. Must dry completely. Must use commercial size washer or dryer. Air dry in a large size dryer on cool.