Flannel Flat Sheet, King, Grey, 100% Brushed Cotton, Heavy Weight, 160 Gsm, 1 Flat Sheet (108"x102") Gray 100% Cotton King Flannel Flat Sheet. ( Flat Sheet only) Heavy Weight 160 Grams Per Square Meter 1 Flat Sheet (108"x102") Wash before use. Machine wash cold. Wash dark colors separately. Do not bleach. Tumble dry low. Remove from dryer promptly.