Mother's Day Cards for Sister

Let your sister know that her motherly duties did not go unnoticed. Send her a Mother's Day card from Blue Mountain!
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You grew up alongside her, now she has children of her own. Whether you're the younger sibling who used to tag along with big sis, or the older sibling who used to tease their little sister, you two share a special bond. Celebrate your family ties with a Mother's Day card for your sister. Let her know how much she means to you after all these years – and how great a job you think she's doing as a mom with cards from Blue Mountain.

Even though she's a mom now, some things never change. Chances are, you know your sister better than anyone. Choose from funny Mother's Day cards or greeting cards with a message as sweet as she is. You can even personalize your card with a message of your own. Send your sister a Mother's Day card that lets her know she's never far from your heart and reminder of the days you spent growing up under the same roof. She'll forgive you for all the times you borrowed her clothes or scribbled on her homework!