TEMPERATURE REGULATING ?C These pillowcases are a 300 thread count woven mix of Tencel + Cotton to produce a luxuriously soft, breathable and comfortable sleep experience for you and your family.ENVIRONMENTALLY CONSCIOUS ?C Produced by environmentally responsible processes from the sustainably sourced Tencel Lyocell fibers to naturally cool while being ultra-soft to the touch. Transport yourself to the luxurious hotel quality feel with these ultra-soft Cotton + Tencel sheets from Columbia.OMNI-WICK KEEPS YOU DRY ?C Designed with our proprietary Moisture Wicking technology to remove moisture, which allows perspiration to evaporate easily, for a breathable, cool and amazing sleep experience.MEASUREMENTS ?C Pillowcase 2 packs available in sizes Standard/Queen (20?? x 32??) and King (20?? x 40??) in Stratus Grey, Port, White, Nocturnal and Pumice.EASY CARE ?C Fully machine washable, warm water, tumble dry low.