Exactly what kind of sounds do penguins make? Do they quack? Maybe they honk, tweet or warble? Well, here is your chance to find out! These silly penguin feet slippers make noise with every step you take! These plush slippers may not exactly replicate the sounds of penguins, but you can rest assured that your penguins will have a sound all their own. Speak your mind in these adorable penguin feet slippers!