Paper Dimension: Each package includes 100 sheets of thick blank index cards, measures 4 x 6 inches in size, 230 grams in weight, and the paper is made of FSC-certified paper; Perfect for printing your own photos and keep happy moments forever bright Printer Friendly: Sturdy and versatile, our thick brown cardstock is compatible with most types of inkjet, laser printers and photocopy machines ; Please check the maximum thickness specification of your printer before printing Premium Quality: This brown card stock holds up well to inks, distressing, mild sanding and anything else ; Excellent for greeting cards, wedding invites, index cards, note cards, flash cards and more Elite Design: Both side of these thank you cards have texture ; They are matte, but have a smooth finish ; These are flat cards with no score to be folded ; Securely packaged in a box to ensure you get your heavy card stock in perfect condition and for your convenience to store your invitation paper All Occasion Cards: You can personalize your own invitations to the wedding, Christmas, anniversary, birthday, baby shower or bridal shower party with stylish, minimal cards Goefun heavyweight 4 x 6 cardstock are made from an 80lb cover (230 gsm) cardstock.The craft cardstock are flat cards with no score, precisely cut for clean uniform look, which means they aren't designed to be folded. The index cards are thick enough that ink does not show through to the other side when using a felt marker. Stiff and thick enough to actually feel like brown cardstock that will hold up with some use, but still thin enough to go through your laser printer.Nice heavy weight to make notes and reminders on that hold up under use. These craft paper cardstock are perfect for crafting your holiday cards,name tags, mini flash cards, custom autograph framing piece and more!