These 300TC solid pillowcases feature an ultra-soft finish and Z hem stitching to add a decorative touch and durability to the seams. Partnering with the Better Cotton Initiative, these pillowcases are made from environmentally friendly and sustainably sourced cotton to improve not just your quality of life, but the planet’s too. Machine washable for easy care, each cotton pillowcase is OEKO-TEX certified, meaning it does not contain any harmful substances or chemicals to ensure quality comfort and wellness.100% BCI CottonQueen Pillowcases: 20″W x 30″LKing Pillowcases: 20″W x 40″L