11” x 16.2” x 5.75” OD Silver MylarFoil Stand Up pouch with ZipSeal, tear notch and rounded cornersZipSeal is at 1.25" from the top of the MylarFoil bag
Hydrion Insta-Chek pH Papers provide:
A direct reading pH paper with the widest range available in a single paper
A simple, single color match for all pH values
Distinct and easily matched color separations
Accurate,...