Double and Single sheets and pillows can be found in Comfort > Misc. Toddler sheets and pillows can be found in Kids > Toddlers.
The following files are included in the download:
Pillowcase – Double – MASTERPillowcase – Single
Pillowcase – Toddler
Sheet – Double – MASTERSheet – Single
Sheet – Toddler
* MASTER file is required for sub-listed files to work.
The pillowcases and sheets can be used to over mattresses to give you some more variety. Please keep in mind, the pillowcases clip through your sims faces slightly.