Made of pliable, sturdy, transparent plastic, these envelopes are perfect for folded letter-sized documents, bank checks, receipts, large note cards and other papers that you need to keep clean and protected. Their tuck flap closures are composed of a curved tab on the straight flap opening that folds into a slit in the front of the envelope for secure closing and easy opening. Because these envelopes are clear, your documents and stored items can be viewed from the outside. Protect all of your important papers with these versatile envelopes! Details:Clear6" x 9" each12 envelopesPlastic