Staples Laser/Inkjet #10 Envelopes with QuickStrip Flap - 4-1/8" x 9-1/2" - White - 100 PackSend monthly statements, cheques, letters and more with the Staples Laser Inkjet #10 Envelope, the perfect size to fit a variety of paperwork printed on letter sized pages. This versatile envelope is compatible with laser and inkjet printers to ensure names and addresses are printed clearly to help avoid lost mail. The 24 lb white paper offers durability and a crisp look while the QuickStrip sticker closure provides easy use and a secure seal.