These JAM Paper #10 Open End Policy Envelopes measure 4.125" x 9.5" in size and open on the short end. Each one has a straight flap and a dependable gum closure to keep items secure in transport. Their size makes them ideal for folded documents, checks, receipts, book-mark-style invitations and Save the Date cards, invoices, brochures, and more.Details:Ultra lime green#10 (4.125" x 9.5") envelope sizeAvailable in multiple counts24 lb./90 gsmStraight flap with gum closureOpen end30% recycled paper