Are you ready for the best darn sleep you've ever had in your life?! The MyBob’s Cozy Cotton Pillowcase Set is made from extremely soft, lightweight, and breathable Micro Cotton®—100% long-staple cotton fibers that are hand-selected and expertly spun into extremely fine strands for durable, lasting comfort. Plus, each pillowcase features an antimicrobial silver chloride to inhibit bacteria, mold, and mildew that can cause deterioration, stains, and odors—did I think of everything or what?!