Archives Standard 4-Mil Mylar Sleeves
☺ Archives sleeves with their trademark 'S'-shaped flaps 'ease-in' comics holding them tightly to protect edges and corners.
☺ Made from 4-mil thick Mylar type D, Melinex 516, or equivalent.
☺ Naturally resistant to aging, decomposition, moisture, oxygen, and gas penetration. Not affected by fungus, mold, or mildew, and immune to insects and rodent attacks.
☺ Archives Standard measure 7-1/4" x 10-1/2" and feature two 7/8" flaps that do not fold over.
☺ Sold in packages of 50.