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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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Birthday (187,265)
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Shopper Testimonials
“Wonderful, quality cards! Good price & fast ship! Love this company!”
Patricio - Aug 23rd, 2025
“Love all the cards, so personal and unique for all occasions”
Christine - Aug 23rd, 2025
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Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
81st Birthday, Sister, Pink Rose card
For Sister June Birthday Yellow Dreaming Spires Ro…
Birthday, Sister, Floral Elegance with Purple Tuli…
Happy 60th Birthday for a Sister, Rudbeckia flower…
Birthday to Sister Adult Humor with a Chalkboard a…
Twin Sister Happy Birthday Pretty Princess with Pr…
Happy Birthday Sister, The Beauty of a Peony card
Happy 80th Birthday Sister wth Pretty Cupcake and …
Birthday Card For Sister In The Big Cookie Of Life…
BIRTHDAY, SISTER, Dreamy Vintage Tea Set, Soft Pas…
Happy birthday to big sister, Cat hugging yarn bal…
Birthday to Little Sister with a Goat in a Cart Se…
Birthday to Sister with a Border Collie Sitting in…
Happy 10th Birthday to Sister Pretty Ballerina car…
Happy Birthday for a Big Sister, Yellow-Orange Ros…
Happy Birthday Sister Red Tulips Spring Flowers ca…
For Sister 66th Birthday White Flowers card
68th Birthday, Sister, Pink Rose card
Little Sister Birthday, Unicorn Sitting On Rainbow…
Happy Birthday Sister Colorful Flowers card
Happy 55th Birthday to a Special Sister, Orange fl…
Happy 79th Birthday to a Special Sister, Orange fl…
Sister 50th Birthday White Flowers card
Shedding Cat Humor Happy Birthday for Sister card
Fortieth Birthday Card With Cartoon Bear My Sister…
Birthday for Sister, Chinese Blossom Tree card
Birthday on Christmas Eve to Sister with Raccoons …
Sister 90th Birthday Pink Teacup with Lily of the …
60th Birthday for Sister, pink hollyhock card
For Sister’s Birthday with Balloons Bunting Stars …
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