Classic solid colors on a 310 thread count, 100% cotton fabric made with single ply, ring spun yarns in a sateen weave for soft feeling sheet. A great fabric starts with long staple cotton fiber for a smooth touch. Ring spinning produces a smoother yarn than other spinning methods with a more natural twist for a smooth surface. Charisma stands for quality and detail which you will notice with these items. You can rest assured this program is made responsibly with OEKO-TEX Standard 100 Certification with certificate 14.HIN.38767 as certified by Hohenstein.