These are standard business visiting cards of size 3.5 x 2 inches or 90 x 54 mm printed on 250 GSM Art Card, this is a cost-effective option and preferable for printing visiting cards that are to be widely distributed amongst masses. With these cards, you have an option of –
(A) printing on either 01 sides (Front Side) or (B) 02 sides (Front and Back Side)

Also, you can opt for an add-on lamination, which is Gloss.