All the care details are written on each design page 'Cloth care instructions' tab
Generally, our clothes are recommended to do dry cleaning for the 1st wash,And for all the clothes are actually when often wash will shorten the life due to clothes are once soak at water the textures will be changed.
So it can create shrink, tighten, less soft, hard kind of difference from original status.Depending on clothes material recommend following the instruction to prevent unwanted changes.
And here's a tip for cloth material  the artificial materials are the easiest to maintain, long-lasting, affordable material than wool, cotton, silk, real animal leather.+ Click to read more