[Small Size, Incredibly Tiny] take it everywhere. 3.6 x 3.4 cm, you can turn it into ornament, maybe necklace pendant or keychain accessory, unobtrusive. [Titanium Alloy ] KeyTag is made of titanium alloy, which has a melting point of 1668 degrees Celsius, seven times that of tin and 2.5 times that of aluminum, making it to most high-temperature situations. Equivalent to 3034 degrees Fahrenheit. [ To Record 24 Recovery Phrases And 2 Extra Passphrases] All the wallet recovery phrases are generated from the BIP39 Word list. This alphabetical list contains 2048 words, with each of them having its own number. Instead of letters and words, KeyTag smartly help users to record the number of each recovery phrase. Each KeyTag has one extra row for passphrases. [How To Record And Read] Each row of KeyTag represents a single word. Look up each word of your recovery phrases in the provided printed word list and punch a dot accordingly on the KeyTag for each black filled circle on the list. Total the numbers in each row. The total of each row indicates the word's number in the word list. Once you get all the numbers, you get all the recovery phrases. (There is a slight color difference, the depth is the factory process) Color: Silver Material: Titanium Alloy Package Contents: 1 x KeyTag Plates Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.