Cats love boxes - wrapped boxes, litter boxes and empty boxes. So, when, as a frisky feline, you're invited to a pussycat party, you'd better bring your own box, or you're going to be boxed right out of all the fun and frivolity. Because cats don't love to share. That's the funny and furry premise colorfully, cleverly and cutely illustrated and captioned on all three of the cards in this Birthday pack. Kids and adults, cat fanciers and kitty noncommitted, will all get a good laugh upon being gifted one of these adorable, playful and hysterical missives in celebration of their big birth anniversary.