Solid Black, King/Cal King Luxurious 600 Thread Count 100 Percent Cotton Waterbed Sheets for Your Water Mattress with Pole Attachments Cotton Our Waterbed Sheets are made of 100-Percent Combed Cotton from long stable yarn, Sateen woven at 600TC per Square Inch Flats and pillowcases made with 4 inches hemming. Fitted Sheet Pockets Made With POLE Attachment For Better Hold (Poles are Not Included) King/California king Water bed Sheet sets 4-Piece Set includes: OneKing Flat Sheet 80 inches wide x 96 inches long, OneKing Fitted Sheet 72 inches wide x 84 inches long and TwoKing Pillowcases 20 inches wide x 40 inches long each. Fits waterbed mattress that measures 10-12" Attachment of fitted and flat sheets at the footer makes your bed always made Care instructions: Machine washable in cold water, tumble dry on low