Please be sure to indicate the following on your mattress drawing: Mattress Depth, Head Width, Foot Width, Head to Foot Length, Width at any jut-outs or cut corners and how far that measurement is from the Head or Foot for reference, where you would like the cording to exit the fitted sheet, a diagram of the Top Sheet Shape if you would like this shaped to match the mattress and which end is the top when you are sleeping on the mattress. Additional images of the mattress are also helpful.
For Custom Sheet Set Option