- Product comes ready to use! Just open outer package and use! * - Each Packet Dimensions 6" x 4.5" - Protects Up To 8 CU FT Per Packet (4 Packets Per Order) * - Uses include Boats, RV"s, Tents, Storage, Garages, Tool Boxes, Tackle Boxes, Electronics, Cabinets, Closets, Ammo Cans, Safes, etc. * - Packaged in Tyvek which is strong and tear resistant! * - Protect your valuables from moisture problems including Mildew, Mold, and Corrosion.