Seasons flannel sheets are super soft and will keep you warm all season long. The solid coloring will easily coordinate with your favorite bedding ensembles. 100% cotton flannel. Twin/XL Twin and Full fitted sheets fit mattresses up to 16" deep. Queen and King fitted sheets fit mattresses up to 17" deep. Twin/XL Twin sheet set includes fitted sheet, flat sheet and one standard pillowcase. Full and Queen sets include fitted sheet, flat sheet and two standard pillowcases. King and California King sets includes fitted sheet, flat sheet and two king-size pillowcases. Machine wash. Imported.