2 1/2 x 3" - 4 Mil Minigrip Anti-Static Reclosable Poly Bags. Minigrip® Premium Red Line™ bags feature a single track, heavy-duty zipper that extends the width of the bag and keeps products clean and free from moisture. Bags are constructed from virgin, anti-static, non-corrosive polyethylene film. Special additive in bags diffuses charges of static electricity (up to 5,000 volts) in two seconds. Reclosable bags can be reused. Meets MIL-B-81705C Type II and the material requirements of EIA Standard No. 5, Packaging Material Standards for Protection of Electrostatic Discharge Sensitive Devices.