Made out of white 110lb cardstock, these blank 2.25"x3.5"s can be used for whatever purpose you need them for: DIY cards, labels, business or gift cards-perhaps even as art cards, if that's what you'd like to use them for. All card blanks will have rounded edges, unless requested otherwise in the personalization. Approximately 2.25" (5.715cm) x 3.5" (8.89cm) 100 blank cards White 110lb cardstock, Acid-free and lignin free, good for archival purposes Compatible with both inkjet and laser printers