Hedgehogs in Love Pop-Up Card, NWT Occasions for the Hedgehog Valentine card: A fresh take on this Lovepop favorite, Hedgehog Valentine is the perfect way to serenade your Valentine this year. Your crush will surely have heart eyes after seeing this endearing design. Send your college kid this lovely reminder that even though they may be far away, they'll always be your little hedgehog. Size: The Hedgehog Valentine pop-up card is 5 inches wide by 7 inches tall. Quantity: One heart-eyed Lovepop with one blank envelope and the Lovepop Note, a little note card that slides away with your own personal touch.