Your sister is your best friend, your partner in crime, your shoulder to cry on, and an ear to confide in. You've been through everything together. This sweet birthday card for a special sister is elegant, and yet still carefree - just like your relationship! Charming peonies blush in light pinks and surround the sincere birthday message. For a day of fun and happiness, send a birthday greeting to your sister that will truly delight her heart and remind her how much you care.