Holiday Performance Sheet Set Winter Scene - Threshold - Twin XL - 400 Thread Count - New. Slip into luxury and a festive feel with this 400-Thread-Count Holiday Performance Sheet Set from Threshold™. The three-piece bedding set includes one fitted sheet, one flat sheet and one pillowcase, all decorated with a vibrant holiday-themed print for a lively look. Each piece is made from 100% cotton sateen for softness and shine, and they can be tossed in the washing machine for quick and easy cleaning. Performance sheet set with holiday-themed print Includes 1 fitted sheet, 1 flat sheet and 1 pillowcase Made from 100% cotton sateen 400 thread count Fitted sheet accommodates mattresses up to 18in deep Made in Green by OEKO-TEX