New Post: Problem with the blue dog item help plz

So I made the liber Canis Mortui item and I have been giving it to my friends but they say when they log out and log back into there own games the item disappears but it doesn't dispear for me does anyone know how I can fix it so it stays in my friends inventory? here is what I change in its properties

http://tinypic.com/r/29pu349/9

http://tinypic.com/r/mcst2h/9