JAM Paper Invitation Envelope, 13 1/2" x 13 1/2", White, 250/Box (3992323H)

JAM Paper White Square Invitation Envelopes are a classic and simple choice for mailings of all kinds. Use these 13 1/2" x 13 1/2" envelopes to send large documents, blueprints, announcements, marketing materials, greetings, unique invitations, magazines, artwork, and more. Your mail stays protected and appropriate whether you are in the home, office, classroom, and everything in between. Available in a variety of sizes, finding your perfect fit is simple. This pack includes 250 white envelopes made from 28 lb. paper. Each envelope has a square opening, straight flap, gum closure, and smooth finish.