Searching for the perfect fitting sheet for hard to fit mattresses? The search is now over! Dreamz Special Size sheet sets are a Dream Come True for Super King Size Beds! Luxurious 400 Thread Count cotton fabric with a cool, crisp sateen finish is the perfect solution for a good night's sleep. Superior Quality and durable construction. These sheets will last wash after wash. Machine Wash and dry. This sheet set made especially for Super King Size Bed mattresses includes a fully elastic single fitted sheet, one flat sheet and two pillowcases. Naturally cool cotton. Imported.