Do the sheet sets come with pillowcases?

Yes, all of our sheet sets come with pillowcases to match.
King, California King, and Split King sets come with 2 matching KING size pillowcases.
Full and Queen sets come with 2 matching STANDARD size pillowcases.
Twin or Twin XL sets come with 1 STANDARD size pillowcase to match.
The 1800 Series is the exception and contains 4 matching pillowcases for all sizes, with the exception of Twin size. The Twin size has two STANDARD size pillowcases included.