The silky-soft sateen weave pillowcase set is soft and comfortable against your skin, gentle on your hair, and made with hypoallergenic, sustainable CleanBamboo® fabric for a restful night’s sleep. These fabrics are made from organic bamboo using patented closed-loop process with food-grade, non-toxic solvents. This process produces a unique 100% bamboo lyocell free from harmful chemicals and plastics, unlike other bamboo viscose and bamboo/poly blends on the market.