Beautiful White and Gray Striped Pattern Duvet Cover and Pillowcases King Size Ikea Nyponros Yarn-dyed; the yarn is dyed before weaving; gives the bedlinens a soft feel Decorative, fabric-covered buttons keep the comforter and pillow in place. Includes 1 King duvet cover and 2 King pillowcases. 152 thread count. Thread count indicates the number of threads per square inch of fabric 100% Cotton Care instructions: Machine wash very hot, normal cycle. Do not bleach. Tumble dry, medium, normal cycle. Iron high. Do not dry clean.