4 1/2 inch Square White Invitation Envelope JAM Paper is committed to providing YOU, our customers, with colorful, high-quality office supplies. JAM has all your office supply needs covered, not to mention in ANY color you could want!! JAM Paper White 4.5 x 4.5 Square Invitation Envelopes are made out of 28lb, non-malleable paper and measure 4.5 x 4.5 inches in size. These rounded straight flap envelopes are perfectly square and feature dependable gum closures. These envelopes are sold in a carton of 1000! Each one features a versatile pure white color. Use these envelopes for gift cards, small note cards, announcements, photos, notes, money, matches, dragon teeth, a lock of your lover's hair, magic beans, and much more! These envelopes are great for both personal and business mailings. Their unique size and shape is certain to get them noticed! Size: 4.5in x 4.5in | Color: White | Quantity: 1000/carton