JAM Paper's open end plastic envelopes with VELCRO closures offer a sturdy way to carry around documents, mementos, scrapbook supplies and more. The envelopes measure 9.75" x 11.75", expanding up to 1" and are made of pliable, sturdy, transparent plastic. These envelopes come in packs of 12 and are perfect for class notes, certificates, documents, school projects, and other papers that you need to keep clean, crisp, and protected.Details:Available in multiple colors9.75" x 11.75"1" expansion12 envelopesOpen endVELCRO closureSmooth finishMade with plastic