Letterhead and #10 envelopes are printed in Four Color Process on sub. 29 Premium Linen or Smooth stock. Window envelopes are only available in Smooth finish. Other sizes are available. Please call for information and prices. There is no charge for layout, design and shipping (via ground services). Proofs are usually available within hours and can be sent by fax or e-mail. Shipment is usually made the day the proof is approved.