About this item ? Fire-proof and Water-resistant Steel crypto wallets are made of 1.5mm thickness extremely durable 304 stainless steel sheets that resist fire and temperature as high as 2649 °F / 1454 °C, the engraved or stamped letters would not get damaged or washed away by water and fire. The 1.5mm thickness prevents any bending or warping. Fireproof, waterproof, and impact-resistant, and can serve you for a long time. ? Wide Application With these steel crypto wallets you can record information such as fieldworks passphrase in tandem with the BIP39 word list, and they are also compatible with 12 or 24-word seed in most languages, suitable to store your private cryptocurrency information or for many instances where you may need a private cold storage system. The cold wallet backups are compatible with BIP39 wallets, can work with most hardware wallets. ? Metal Stamps Includes a set of 3mm Uppercase Alphabet Metal Stamps (steel punches), that are designed to fit within the laser engraved cells on the card, and are optimal for working with ImpressSeed Cards. ? Multi-Protection The fireproof and waterproof bag provide double protection which ensures the safety of the product. Suitable for carrying around, office use, or storing things at home. Each product is equipped with 4 anti-tear stickers, which are pasted on both sides of the Indestructible Cold Wallet, which can be easily found when someone opens it to avoid loss; the extra two tamper-proof stickers can be used as a spare. ? Package Include 1 set of Cold Wallet (2 pcs Safe Seed Stainless Steel Plate), 1 x Fireproof & waterproof bag, 1 box of Metal stamps, 1 x Engraving Pen and 4 pieces tamper-evident stickers.