Carlen pillowcase: Square pillowcase: repeating print front and back. 100% cotton: densely woven (57 threads/cm²), the higher the thread count, the higher the quality of the weave. Washable at 60°C. Tumble dry The Oeko-Tex® label guarantees that the items tested and certified do not contain any harmful substances that could be detrimental to health. . Size to order: square pillowcase (63 x 63cm):