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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
“Recipient of card found it very funny. Thank you”
Edward - Oct 13th, 2025
“Excellent cards and outstanding service. Thank you.”
John - Oct 13th, 2025
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Cards per Page:
Cards: 4,652 Pages: 156
Most Popular Newest Show adult cards
Humorous Big Sister Birthday Card Hit Every Decade…
Birthday, Sister, Feminine Purple Swirls, Flowers …
Sister, Birthday Celebration Dogs, Lots of dogs ca…
Birthday Sister Hummingbird Flowers Kaleidoscope C…
50th Birthday for sister with lily of the valley b…
Sister’s birthday photo card with zigzag pattern c…
Happy Birthday Sister - White & Purple Flowers car…
Happy Birthday Sister - Lavender Flowers & Swirls …
Sister Birthday Card with Parrot and Palms card
Birthday - Sister - Diamond Shapes with Patterns c…
For sister, Wordsearch birthday card
Cat discovering milk for Sister Birthday card
Happy Birthday Sister Buddleia Butterfly Watercolo…
14th Birthday for Sister Trendy Bling Turquoise Dr…
20th Birthday for Sister Trendy Bling Turquoise Dr…
Sister Birthday Milkweed in Purple card
Birthday for sister cute tabby kitten with closed …
Happy 62nd Birthday, Sister, Monarch Butterfly car…
Little Sister Happy Birthday Pretty Princess with …
Happy birthday to little sister, Cat hugging yarn …
A Big Birthday Wish for a Twin Sister, Butterfly i…
Sister 78th Birthday White Flowers card
86th Happy Birthday Sister, Magnolia Blossom card
Sister 85th Birthday Pink Teacup with Lily of the …
Happy 72nd Birthday, Sister, Monarch Butterfly car…
Humorous Sister Birthday Let’s Pretend That You’re…
Happy Birthday to Twin Sister Pretty Kitty Hearts …
Happy Birthday for Big Sister - Purple Butterfly c…
Australian Shepherd Happy Birthday Sister card
Pink floral border for sister’s birthday card
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