Help?

Ok so I need some help! The other day I saw the cutest thing and have just been dying to get one. Well, we've all seen the "Baby on Board" diamonds on cars, right? I saw one that said, "4 legged baby on board"! Is that not the cutest thing? For all of you that know me, my car is the doggie (Chip) mobile, I need this to add to it! Can anyone help me? I have been googling it all night!