Flat Mylar Bags Zipper Lock Foil Bag 4 Mil Silver for Zip Food Storage Lock R…

The thickness is 0.1 mm per side; it’s equal to 4 mil. The material is pure aluminum foil. The material is pure aluminum foil ; The color is silver. Feature: Flat, zipper lock, resealable, heat sealable, reusable, keep products dry, with tear notch.

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