Happy Birthday Cat Card. Happy Purr-fect Birthday! Product Description: - Printed on premium cardstock - Measures 5.5 x 4.25 when folded - Blank inside - Pairs with white envelopes All products are made to order and we do our best to get your order made and shipped out as quickly as possible! Unleash the meowgical vibes with this purr-fectly playful birthday card! Guaranteed to make cat-lovers purr with laughter! This adorable card combines a cute kitty illustration with a punny play on words that's sure to tickle any funny bone.