These self adhesive closure envelopes are made out of smooth, high quality paper and feature a basic and versatile white color! These booklet style envelopes open on the longer side and their size makes them ideal for enclosing standard sized sheets of paper without bending or folding. Each one a commercial style flap with a reliable peel-and seal closure that is ensured to keep the contents of these envelopes securely enclosed. Use them to send documents, files, forms, and more from your office or home!Details:White9.5" x 12.5"28 lb. (105 gsm)50 envelopesPeel and seal self adhesive closurePaper