100% Flannel Cotton Imported Subtle Softness: Crafted from 100 percent premium Cotton Flannel; Brushed Cotton Flannel fabric is designed to hold in heat and insulates while allowing your skin to breathe, also ideal for cold sleepers or winter months. Cozy Oversized Fit: Pillowcases fit King and Standard sizes Special Feature: Pillowcases get softer with every wash Classic Style: This luxury pillowcase set coordinates perfectly with Modern, Casual, and Traditional home interiors. Ease of Care: Machine washable. Please follow the instructions on the care label in order to minimize wrinkling and/or shrinkage. Remove bedding from the dryer promptly, press with a warm iron if necessary.