Want occasion reminders?
Never miss an important date. Get timely email reminders for all important occasions.
You got it! Now, tell us a bit more about the occasion.
YAY! Your reminder is all set.
If you need to make any changes, log in to your Lovepop account page. All your reminders will be located in the Occasion Reminders tab
You’re all set! Want to set more occasion reminders?
You can fill out this form for each upcoming occasion.
Birthday Cards for Sister
Celebrate your sister with a birthday card as unforgettable as she is. Whether she’s your built-in best friend, your partner-in-laughter, or the one who always shows up when it matters most, Lovepop® birthday cards for sisters are designed to make her feel truly loved.
From sentimental messages to funny pop-up surprises, every card is crafted with heartfelt detail and a touch of magic. Whether you're near or far, you’ll find the perfect design to reflect your bond—and create a moment she'll want to remember.
Want to make it extra personal? Add your own message or photo, and we’ll print and send your sister’s birthday card directly to her—beautifully packaged and ready to make her day.
Explore styles like:
- Floral Birthday Cards
- Butterfly Birthday Cards
- Funny Birthday Designs
- Magical Birthday Cards with Cakes
- Cat Birthday Cards
- Dog Birthday Cards
- Zodiac Birthday Cards
All Lovepop cards are made with FSC®-certified paper and recyclable packaging—so your birthday wishes are both meaningful and sustainable.
FQAs about Birthday Cards for Sister
Can I personalize a birthday card for my sister?
Yes! You can add a custom message and photo at checkout. We’ll print it inside the card and send it directly to her.
Do you have both funny and sentimental birthday cards for sisters?
Absolutely. Whether your sister loves a good laugh or a heartfelt moment, we have a wide range of designs to match her style. Check out our heartfelt Orchid Birthday Pop-Up card or a funny Another Trip Around the Sun card for your sister.
What should I write in a birthday card for my sister?
Share a favorite memory, an inside joke, or a message of appreciation. Need help? Browse from our 118 birthday message ideas.