To use this sign, simply hang it up at your front door. It's a great way to add a spooky and fun touch to your Halloween decor. When trick - or - treaters see it, they'll surely be in for a laugh. As for maintenance, it's easy! Just wipe it down with a dry cloth if it gets dusty. Keep it away from water to prevent any damage to the print. And remember, it's just for fun, so enjoy scaring the little ones with this unique sign!