About this item The capsule features adjustable separators, offers more capacity ? 123 instead of 102 characters most other solutions provide ? and comes with a full ASCII-character-set supporting random passwords with numbers and symbols. All of the characters are deeply stamped into the tiles to provide maximum longevity. Each capsule can securely store a random password without separators, an unabbreviated 12-word mnemonic seed, or the first four letters of a mnemonic seed made up of 25 word phrases. metal construction ? 100% stainless steel Shell made of AISI 303 Core, separators, fasteners and character tiles made of AISI 304 ? COMPATIBLE WITH ALL BIP39 WALLETS? : It supports up to 24 mnemonics seed phrase ? INDESTRUCTIBLE COLD STORAGE PROTECTION ? Back up your Nano Ledger, Trezor or Keepkey seed phrases with our stainless steel - cryptocurrency wallet - Get protected NOW! Our Cold Storage wallet is Designed TESTED to be fireproof, waterproof, shockproof hacker-proof