The Registry® T200 Thread Count Mercerized Plain Weave Fitted Sheets make the sleep of guests’ dreams a reality. With a soft yet durable 200 thread count and lustrous mercerized linen, the Registry® Signature 200 Thread Count plain weave fitted sheets make the sleep of guests’ dreams a reality. The twin sized sheet measures 39" x 80" x 9", with a 9" depth and elastic end to ensure compatibility with existing mattresses. Typically, you can add two inches to the pocket depth of a fitted sheet to determine the maximum mattress thickness. At a depth of 9", this fitted sheet fits mattresses up to 11". The fitted sheet has a 360-degree shower cap elastic finish and the 60% cotton 40% polyester fabric blend makes for easy machine washing. This plain weave sheet is Oeko-Tex Certified®, meaning they’re free from harmful irritants and chemicals. Color White.