#10 Standard Business Envelope - 8.875" x 3.875"
When you click Start, you'll be able to upload a CSV document with your recipients' addresses and preview them on the envelope.
Quantity below indicates how many envelopes you want for each address in your list - a quantity of 1 means you will receive one envelope for each address in your mailing list, a quantity of 2 (or more) means you will receive that number for each address in your list. Once you upload your list, the software will determine the number of addresses and what quantity the order is for.