Martha Stewart Collection Solid Open Stock 400-Thread Count Sheet Collection is designed in 400-thread count cotton sateen. The weave of single-ply yarns results in a fabric that's soft, luxurious and strong.
Fabric: 100% Cotton Sateen Thread count: 400
Fits mattresses up to 20"
Cotton sateen is a natural fiber prized for its softness, strength and breathability
Machine washable. Any presence of fabric softener can cause erosion to sheet fibers.