Cold storage protection cold wallet, ArlinaL bitcoin wallet is made by 304 stainless steel with a melting point of over 2500°F, designed and tested to be preservative, fireproof, waterproof, shockproof & hacker-proof
Compatible with all BIP39 wallets, perfect for storing your private cryptocurrency information or for any instance one may need a private cold storage system
Bitcoin wallet size is 90mm x 55mm/3.54" x 2.16" Inches, each line(5.7mm/0.23inch) has enough room for letters to engrave
We recommend 2.5mm,3mm or 4mm for punch kit and easy to use engraver to engrave your secret words (engrave & punch tool NOT included)