As the winter season approaches, you'll need to cover your bed with sheets that can protect you from the harsh cold and our Heavyweight Flannel Sheet Set is more than qualified to take on that job. This sheet set includes a flat sheet, fitted sheet, and pillowcase(s)* crafted from 100% cotton using a flannel weave. This allows for heavy, durable, and ultra-soft sheets perfect for those who are looking for some more warmth at night. 100% cotton Flannel weave 170 GSM (grams per square meter) Very thick, perfect for cold sleepers Comfortable, breathable, & Warm 15 inch deep pockets Available Sizes: Twin XL (3-piece set) includes: one Twin XL flat sheet 70 inches wide X 102 inches long, one Twin XL fitted sheet 39 inches wide X 80 inches long, and one Standard pillowcase 20 inches wide X 30 inches long. Full (4-piece set) includes: one Full flat sheet 81 inches wide X 96 inches long, one Full fitted sheet 54 inches wide X 76 inches long, and two Standard pillowcases 20 inches wide X 30 inches long each. Queen (4-piece set) includes: one Queen flat sheet 92 inches wide X 102 inches long, one Queen fitted sheet 60 inches wide X 80 inches long, and two Standard pillowcases 20 inches wide X 30 inches long each. King (4-piece set) includes: one King flat sheet 110 inches wide X 102 inches long, one King fitted sheet 78 inches wide X 80 inches long, and two King pillowcases 20 inches wide X 40 inches long each. California King (4-piece set) includes: one Cal-King flat sheet 110 inches wide X 102 inches long, one Cal-King fitted sheet 72 inches wide X 84 inches long, and two King pillowcases 20 inches wide X 40 inches long each.