VCI Packets contain our unique blend of corrosion inhibitors providing multi-metal parts adequate long-term protection during storage and shipment. One single VCI Packet is sufficient for one cubic foot of exposed metals in seclusion for an extended period, up to 2 years. VCI Packets can also be placed in enclosed areas such as cabinets, boxes, bins, bags, or envelopes. Tyvek allows breathability in VCI Packets. VCI Packets are durable and do not tear or puncture easily. For usage, place VCI Packets in targeted areas. Corrosion inhibitors activate upon exposure to metals inside containers, pallets, and boxes.