This pack of Neenah Paper A-1 Style Envelopes contains 250 envelopes measuring 3-5/8″ x 5-1/8″ in size. The smooth white paper is perfect for business or personal use, and the classic crest design adds a touch of elegance to any correspondence. These envelopes are ideal for those in need of high-quality packaging for their business products or personal mailings. The Neenah Paper brand is known for its durability and reliability, ensuring that these envelopes will provide a sturdy and long-lasting option for any mailing needs.