For those of you who make your own cards, or those that want to replenish your stocks,
Marrutt have 230 gsm paper at a reduced price.
I have not used this paper.
I tend to use Epson Archival Matte paper which is lighter, it is also off white on the reverse.
I don’t know what shade (of white) the Marrutt paper is but I am sure that they will tell you if you enquire.
If you are going to buy the pre-cut sizes then I suggest that your printer will accept that size.