Sheets Are 100% Polyester Elevate your sleep experience with the Serta Classic Bundle. This bundle includes a curated assortment of essentials you need to accompany your mattress. The protector is made with a super soft, cool to the touch knit fabric for ultimate comfort. It features Scotchgard stain release tech and a waterproof barrier that protects your mattress from spills and moisture night after night The sheet set is a 300 thread count buttery soft, durable and light weight set perfect for everyday use. An extra wide boxer elastic band and 18" deep pocket ensures a comfortable and guaranteed fit, night after night Our fluffy fiber pillows are supremely soft, durable, and light weight. Their cover is composed of 300 Twill Fabric.