Make your bed happy with a Threshold Organic Cotton Sheet Set. These bed linens are crisp, cool and comfortable. They're made of 100% organic cotton with a percale weave and a thread count of 300. Soft and lustrous, they come in modern prints and stylish colors. the fitted sheet has full elastic for a snug fit on mattresses up to 18' deep. It comes with a flat sheet and 2 pillowcases (1 pillowcase included in Twin and Twin XL). Plus, these organic cotton sheets also have built - in placement labels that help with making the bed.