Envelope Size A4 White Letter Size Envelopes Ideal For Home Office Secure Mailing Premium quality A4 Size White Color office stationary and business card paper & envelope stocks that stand out with elegant, lavish, texture and color. Created compressing layers of Super Luxurious Papers, specifically designed for correspondence and announcements. The Prestige Collection is designed to make your prints stand out and stand the test of time. This paper can be defined environmental friendly, Long Life and Acid-Free, alkaline buffered, archival quality. It is recommended for high end commercial correspondence. Both the sheets and the envelopes are suitable for ink-jet and laser printing. White Paper Envelope Size of Envelop A4 (28 x 12 cm) . Simple solution for your basic postal needs and Plain white executive-style envelopes for business or personal use. These spacious envelopes measure in at a large 28 x 12 cm and are available in open ended style Perfect for personal mail, business mailings, greeting cards, announcements, and so much more!