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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
“Perfect cad for this special occasion! Difficult to find an appropriate card for an adult ! Very pleased with selection and service!”
Mary - May 5th, 2025
“I ordered 6 cards and was so impressed with the quality of each. The packaging was excellent and delivery quicker than I expected. Would definitely order again and can highly recommend.”
Paula - May 5th, 2025
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Cards per Page:
Cards: 4,665 Pages: 156
Most Popular Newest Show adult cards
Sister Birthday - Family Trips card
Sister, 75th, Happy Birthday, Mason Jar, Flowers, …
Happy Birthday Sister Ballerina, Unicorn, Rabbit w…
Happy Birthday to Sister Pretty Flowers and Polka …
For Sister 90th Birthday Yellow Watercolour Roses …
Sister, Birthday, Floating Flowers card
Humorous Birthday Card For Sister With Cartoon Sna…
Sister’s Birthday Feminine Vintage Floral Art Bouq…
For Adult Sister’s Birthday Asian Woman’s Leg with…
Birthday for Young Sister Little Girl with Flowers…
For Sister Birthday Wish Big Red Botanical Typogra…
Sister Birthday Card - Dog Balancing Birthday Cake…
Happy Birthday to Big Sister Party on the Mountain…
For Sister Birthday Pretty Pink Peony Flower Paste…
Humorous Birthday For Older Sister Thanks For Bein…
Only Sister Birthday, Pink Teacup with Lily of the…
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday to Little Sister from Big Sister ca…
Tulips in a Rustic Wooden Box Birthday for Sister …
Sister Happy Birthday Beautiful Flower Bouquet car…
To a Special Sister Birthday Floral Wheelbarrow ca…
Custom Age Sister’s Birthday with Nasturtiums and …
Sister’s birthday photo card with vintage bouquet …
Happy Birthday to Sister Bunny Floating on Balloon…
For Sister Birthday Strawberries Pastel Personaliz…
Sister 70th Birthday Pink Teacup with Lily of the …
TX Message Longhorn- Birthday for Sister card
Birthday - Sister - Sweet Birthday Cupcakes card
Sister’s 85th Birthday Vintage Rose Garden card
Bird Fairy Happy Birthday Sister card
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