https://www.amazon.com/dp/B00AYP8EAO
Not usually my kind of thing, but this caught my eye as a cool office or gag gift. Research shows this is by far the lowest price of year, just dropped so may sell out.
Here is the description from the site:

Silicone
CARD-HOLDER: This card holder is perfect to store business cards, novelty cards, notes, memos or letters. This will help you maximize your desk space or paper stations at home.
DESIGN: Made of silicone, the animal design of the card-holder is adorable and fun. It comes in an assortment of animals such as an armadillo, turtle or hedgehog.