Polyester FEATURES - This is a cozy micro fleece sheet set which is a luxurious alternative to flannel and features a charming solid khaki color in soft and subtle hues to create an enjoyable look. Also provides warmth and a fun style for your bedroom Fleece - It is known for its softness, warmth and affordability. When it comes to extra warmth, fleece is the clear winner. It also use a GSM weight indicator rather than thread count to measure quality. It uses 160 GSM for more warmth and better quality FIT - With elastic all around, snugly with your mattress. Fits mattress up to 16 inches deep PACKAGE INCLUDES AND MEASUREMENT - 1 Flat Sheet: 82(W) inches x 96(L) inches, 2 Standard Pillowcases: 20(W) inches x 30(L) inches Each, 1 Fitted Sheet: 54(W) inches x75(L) inches+14 inches depth EASY CARE - Machine washable and dries quickly on tumble dry low. Do not bleach