Bed Sheet Set & Pillowcases - 4 Piece King Blue Set

King Size Bed Sheets Set - 1 Flat Sheet: 105"x 102", 1 Fitted Sheet: 78"x 80" + 15" Deep Pocket, 2 Pillowcases: 20"x 40". They fit mattresses up to around 16 inches deep. If your mattress is smaller than 16 inches it will fit just fine. A lot of mattresses are pretty big these days and we feel this is a good universal size that fits most mattresses. 443