They used to say not to be a square, but now, square is in, and no color can ever truly replace black! This is why JAM Paper Black Linen 9 x 9 Square Invitation Envelopes are one of the most fashionable choices you can make! These envelopes are made out of 32lb, 30% recycled, high quality paper and feature a luxurious linen finish you can feel. These envelopes feature straight flaps with reliable gum closures. This full carton contains a total of 1000 envelopes! Classy and sleek, these envelopes feature a jet black color that makes them great for party invitations, wedding invitations, graduation cards, and more!