JAM Paper's booklet letter size plastic envelopes with tuck flap closures offer a sturdy way to carry around documents, mementos, scrapbook supplies and more. The envelopes measure 8.875" x 12" and are made of pliable, sturdy, transparent plastic. These envelopes come in packs of 12 and are perfect for class notes, certificates, legal documents, school projects, and other standard sized papers that you need to keep clean, crisp, and protected. Their tuck flap closures are composed of a rectangular tab extending from the straight flap opening that fits into a slit in the front of the envelope for secure closing and easy opening.Details:Available in multiple colors8.875" x 12"12 envelopesLetter sizeBooklet styleStraight tuck flap closureSmooth finishMade with plastic