4 Pc , Durable Sheet Collection , 160 TC Luxury Printed Poly Cotton Percale Full Sheet Set 14" Deep Pocket, (LiLy) 60% Cotton, 40% Polyester. 1 Flat Sheet : 78" x 90", 1 Fitted Sheet : 54" x 75", Fitted Sheet have elastic four corner. 2 Standard Pillow Case : 20" x 30", Deep Pocket Fit UP To 14" Mattress 180 thread count per square inch As a result the fibers are much more tightly woven together, resulting in a softer & smoother feel. Example : Size - 54" x 75" + 10" Box Guide for fitting - We recommend allowing an extra two inches on the depth of the sheet to ensure that the sheet tucks right under the mattress. For example; If the exact depth of mattress is 10" we recommend a fitted sheet with a 12", If the exact depth of the mattress is 12" we recommend a fitted sheet with a 14" . Machine washable