Features: VCI Reclosable poly bags inhibit corrosion and are used to protect metal parts from rust and corrosion during shipping and storage. These bags are commonly used for manufacturing, metal fabrication, and machining applications. Bag Closure Type / Zip Seal Bag Material / Low Density Polyethylene (LDPE) Thickness / 4 mil Width / 4 inch Length / 6 inch FDA Compliant / No Color / Blue Package Configuration / Flat Pack