All cards are printed on professional quality acid-free, ultra-smooth, non-reflective paper, with a soft white matte surface . Each card has a high-end feel that stands up to handling, mailing, and display. The inside is plain paper (no coating) for writing your personal message. 
 
 
Paper: 100% alpha cellulose base stock
Weight: 230 gsm / 60 lb.
Thickness: 10 mil
Coating: Microporous photo matte coated
Color: Bright white
Grade: Archival