Top Flight knows paper! As a family-owned and operated business with over 90 years of experience in the industry, Top Flight makes high quality paper based products for home and office use. Top Flight has the simple solution for your basic postal needs. Our envelopes come in all lengths and shapes as well as a variety of pack sizes, making them an essential part of every home or office. The Top Flight Boxed Envelopes are sturdy, plain white envelopes with moist and seal pointed flaps for easy sealing. Top Flight has what it takes to move to the head of the class. Whether you're a parent, teacher, student or business professional, Top Flight has something for everyone.