Techni-Pro 758ST2418 Size (W x L): 18' x 24'Package Quantity: 100/PkgThickness: 3.0mmOpening Type: Open TopESD Safe: Yes Static Shielding Bag, Flat, 18' x 24', 100/Pkg The Techni-Pro 758ST2418 Flat Static Shielding Bag is an economically priced static shielding bag, and its extremely durable buried metal construction gives it the Faraday Cage performance needed to shield against static charges. It contains no amines or amides, is N-octanoic acid free, and is polycarbonate compatible. Ideal for packaging PCBs and IC's. Meets REV. C, TY. III, CL. I and EIA 541.