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Birthday Cards for Sister

Browse our collection of birthday cards for sisters! What relationship in your life is more special than the one you share with your sister? No matter what stage of life you are both in, whether she is older, younger or even a twin, we have the perfect card to express your heartfelt birthday wishes. Our birthday cards for sisters cover the gamut from sweet and sentimental to funny and sarcastic.

We offer cards for milestone birthdays, pretty cards, sentimental cards, trendy cards, humorous cards and cards that can be customized to say just what you want. You can even add a picture to make your card truly one-of-a-kind. Don't settle for another generic card off the rack, create a personalized card that she'll cherish as a keepsake for years to come! Once you find the perfect birthday card for your sister, we'll print and mail it the next day! 		Birthday Cards for Sister

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Shopper Testimonials
“Special card delivered in a protective envelope that arrived in a timely manner and in great condition.”
Katherine - Aug 9th, 2025
“First time to order and I am so pleased with the quality of the card!! Am so happy because this is a special card for my special Grandson!! Can’t wait to give it to him at his White Coat Ceremony!!!”
Frances - Aug 13th, 2025
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Cards per Page:
Cards: 4,626 Pages: 155
Most Popular Newest Show adult cards
Happy Birthday Sister card
Sister Happy Birthday, Balloons with Blue Sky card
Happy Birthday perfect sister from perfect me! car…
Happy Birthday for a wonderful Sister, Seashell ca…
Sister Happy Birthday Heart and Kaleidoscopes card
Sister Birthday, You Add Sparkle, Colorful Bokeh B…
Happy Birthday Little Sister Brenda Older Boy with…
Sister Birthday with Bee on Black Eyed Susan Flowe…
Birthday Greetings for Sister- No Limits-Girl and …
Birthday for Little Sister from Brother with Drama…
Happy Birthday Sister- Dancing Cow-Muchacha card
Birthday Card For Sister Who Is Smart With Young C…
88th Birthday for Sister, Pearls and Petals card
A Little Sister Birthday Advice card
Happy Birthday Sister, Crazy cats and balloons. ca…
Sister Birthday With Cartoon Black Girl You’re Luc…
Sister Birthday Beautiful Pink Roses card
Happy Birthday Sister House Landscape Trees Mounta…
Sister 8 Year Old Birthday Gamer Controller card
Sister, Birthday, Freeing a Bird card
Happy Birthday Sister Cottage Hills Watercolor Art…
Funny Retro Birthday Sister You’re Not Old You’re …
For Sister, a birthday card with magnolias card
Happy birthday flower - sister card
Cupcakes and Ribbon Happy Birthday Sister card
Sister 14th Birthday Crazy Socks card
Happy Birthday Sister Red Flower Floral Botanical …
Happy Birthday Sister Clouds Stars Deep Space Wate…
Sister 42nd Birthday White Flowers card
Sister 44th Birthday White Flowers card
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