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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 (187,261)
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Shopper Testimonials
“Wonderful, quality cards! Good price & fast ship! Love this company!”
Patricio - Aug 23rd, 2025
“Got this to match a baby sunflower dress & hat for my son-in-law brother & wife baby girl after boys. She loved it said it was so cute!”
Cynthia - Aug 24th, 2025
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Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
Birthday, Sister, Delicate Purple Flower in Beaded…
75th Birthday,Sister,Purple Helebore Flower card
Sister Birthday Humor Wine Bottle and Glasses on A…
Personalized Birthday Relative Sister Bluebird Pas…
Sister Birthday Purple Floral Rose and Greenery Da…
73rd Birthday, Sister, Pink Rose card
Hey Sister, its Your 75th Birthday, Sea Shells and…
Custom Name Birthday for Sister from Brother card
Sisterly Bond Grape Hyacinth Birthday card
79th Birthday, Sister, Pink Rose card
Sister Birthday Pink Argyle Cake With Sparklers ca…
50th Happy Birthday Sister, Magnolia Blossom card
100th Birthday, Sister, Pink Rose card
Sister Birthday - Go All Out card
Happy Birthday Sister Pretty Red Daisies and Swirl…
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday Again, Big Sister, Hawaii Ocean Sun…
To my Sister Happy Birthday Blessings, Butterfly, …
Sister Birthday Funny Camel card
Happy Birthday to Twin Sister, Retro Paisley card
Favorite Sister Birthday, Pink Teacup with Lily of…
Happy Birthday Sister Flowers & Animals Watercolor…
Sister Birthday Green Flowers card
Only Sister, Happy Birthday, Psychedelic Garden ca…
Favorite Sister Birthday, Unicorn Sitting On Rainb…
Birthday Card For Sister Who Has The Best Sister I…
Happy birthday sister, Pink Bird card
85th Birthday, Sister, with Magnolia card
Fabulous Birthday Unicorn for Sister card
Happy Birthday for Little Sister - Purple Butterfl…
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