#9 Regular Envelopes-Return Envelopes Color Cream-55 count (3 7/8 x 8 7/8)(Cream) #9 Envelopes (3-7/8" x 8-7/8") Moistenable Glue Flap,Used for a Reply or Return, place inside #10 No. 9 envelopes are designed to fit nicely inside the standard #10 Envelope Made From Great Quality Paper 55 pack