These envelopes are great for organizing letters, receipts, banks slips, and more! Each envelope is made of durable plastic and features a plastic, two button string closure. The colors included in this pack of six are red, lime, clear, orange, blue and purple. The 5.25 x 10 inch (about 5 x 10 inch) size of these envelopes makes them great for using at the office to organize and protect your financial records.Details:Includes assorted colors5.25" x 10" each6 envelopesButton and string tie closurePliable, durable plastic