650 Thread Count - Egyptian Cotton Sheet Set by ExceptionalSheets, Split King, Sage Egyptian Cotton 100% Egyptian Cotton Split King set includes fitted sheet with deep pockets (fits 15"-18" deep mattresses) with deep pockets (fits 15"-18" deep mattresses), flat sheet AND two King pillowcases Single-ply yarns; extra long staple Elegant 4" hem with piping on all sheets AND pillowcases Machine washable!