Queen Flannel Fitted Sheet Heavy Weight 160 Gram Per Square Meter 100% Brushed Cotton 1 Fitted Sheet (60x80) Designed to fit mattresses up to 16. Heavy Weight Flannel Our Flannel sheets are made of 100% Cotton heavy weight flannel. It has a supremely soft hand that will keep you warm all season long It has been brushed three times for added comfort. This Flannel fabrication is specially dyed so colors stay brighter longer. Machine washing enhances the softness. Care Instructions: Wash before use. Machine wash cold. Wash dark colors separately. Do not bleach. Tumble dry low. Remove from dryer promptly.