Harry's invisibility cloak is very special and not a normal invisibility cloak. It is not possible for it to be ruined.
By having a invisibility cloak like harry did.
no
The invisibility cloak which was in Albus Dumbledore's possession.
Under the invisibility cloak!
No, it is a Hallow.
they do not exist dude!
yes
The invisibility cloak
The cloak is a cloak of invisibility. But it's different then other cloaks of invisibility because the invisibility spell lasts forever.
Ignotus Peverell
His invisibility cloak.