Waterbed Sheets are Attached at the Foot of the Bed unless ordering unattached. Attached: The top sheet is sewn to the fitted bottom sheet with 4 triangle extra deep pockets which are tacked for additional strength. Packaged with 2 pillowcases (1 in SS) Unattached: The top sheet has 2 triangle extra deep pockets sewn at the foot and the bottom fitted sheet has 4 triangle extra deep pockets at each corner. Packaged with 2 pillowcases (1 in SS) We cuts their top sheets oversize: King measures approx. 83" x 91" Queen measures approx. 71" x 91" SS measures approx. 59" x 91"