Enhance your sleep for a better nights rest. The Sleeper Sack is an ultra cozy hypoallergenic pillow cover that combines the latest technology with extra care and attention put into its design and construction. The Sleeper Sack was made to fit our Deluxe Contour Pillow and provides the most luxurious, silky-soft, cool and comfortable sleeping surface available. It is a truly perfect pillow cover for any type of memory foam pillows and it even adds comfort to down pillows. This is the perfect pillow sham for people with sensitive skin or skin problems such as acne, eczema, sores, or rashes it is cool and comfortable and does not leave red marks on your face. This pillowcase, unlike down or polyester filled pillow covers that may encourage bacterial growth and the presence of dust mites, is made with special material that is dust mite resistant, prevents the growth of bacteria encourages restful sleep and dramatically reduces your exposure to allergens helping you to get allergy relief and breathe easier while you sleep. The fiberfill and cotton material is easily laundered and durable to allow for frequent washings. Simply remove the cover and machine wash on gentle cycle, machine dry on low or lay flat to air dry.