Heavy 18 Lb Tyvek Open End Expansion Mailers, First Class, #13 1/2, Square Flap, Redi-strip Closure, 10 X 13, White, 100/ct 2.63" Each label is matte white

Each label is matte white

The print-to-the-edge feature lets you apply bright colors and sharp clear text all the way to the edge of the label to vividly showcase your logo or promotion

Brand Name: United Cutting Length (Inches): 51 Cutting Length (Inches): 51 Depth in Inches: 58

while the large keys provide a comfortable

The string-and-button closures keep the lids closed securely

Heavy 18 Lb Tyvek Open End Expansion Mailers, First Class, #13 1/2, Square Flap, Redi-strip Closure, 10 X 13, White, 100/ct 2.63" Each label is matte whiteExpandable mailer made with DuPont Tyvek material delivers the best possible protection at a shipping cost saving weight. Inserting and removing contents is easy because of its horizontal, open side orientation. Self adhesive Redi Strip closure provides a secure, peel and press seal. Clean, crisp look makes a professional impression.