A9 Blank Card Aspire Petallics Snow Willow. 2 sided metallic finish cards are pre-cut to 5 1/2 x 8 1/2. Paper is acid free and lignin free. Small size cards are perfect for correspondence and invitations. Due to the unique nature this card stock is not recommended for use with an inkjet printer. We have found this paper to be laser printer compatible, however due to its heavy nature may not be suitable for all home printers. If unsure we suggest testing first. Good results when printing offset, thermography or other conventional print methods including foil stamping and embossing