CARMAC® Buffered Negative and Print Envelopes

Made from sturdy acid and lignin-free stock (pH 8.5) with a 3% calcium carbonate buffer and acid-free adhesive with side seams. Passes P.A.T. Storage boxes are available for 4” x 5”, 5” x 7” and 8” x 10” sizes (see our “Shoe Boxes“ pg. 16).

• 100 per package.