The dimensions of the Sleepy's Deluxe Cool Stretch Sheets are 13" x 13"x 12.6" for a twin size, 13"x 13"x 12.6" for a twin XL, 15.8"x 15.8"x 12.6" for a full, 15.8"x 15.8"x 12.6" for a queen, 16.9"x 16.9"x 12.6" for a king, 16.9"x 16.9"x 12.6" for a cal king, 18.5"x 18.5"x 12.6" for a split king, 18.5"x 18.5"x 12.6" for a split cal king, 15.8"x 15.8"x 12.6" for a split head queen, 16.9"x 16.9"x 12.6" for a split head king, 16.9"x 16.9"x 12.6" for a split head cal king.

Yes, this product is machine washable.

This product can fit a maximum mattress height of 19" inches.

Split head sheets are designed for a split head mattress and base set. This set up is for couples who want to independently raise or lower their head without pulling the sheets loose or compromising the overall fit. It is a single mattress and base, with a split head only, meaning the head of the base can be controlled separately.