Complete Flannel Bed, 3 pieces: top and bottom sheet and pillow cases with 90% cotton - 10% polyester. Sets for mattresses 135 and 150cm include 2 pillow cases. All fitted sheets ara suitable for mattresses up to 28cm deep. Flannel is a very soft and pleasant to touch fabric. Get your bed ready for the colder months. These warm and cozy flannel sheets provide chick style and lasting comfort to your bedroom.