Questions? Toll-Free 877-347-6784

All Products

Can't find the perfect card?
Click here to request it
  • No additional cost
  • New designs within 24 hours
Shopper Testimonials
“It was very easy to find my not so in demand specialty card on this site. It is a lovely card with just the right wording. And I received it within a few days of ordering it!”
Kathryn - Oct 4th, 2026
“The cards I have bought are personalized and the orders I have received are perfection. The prices are very reasonable and I buy all of my birthday and anniversary cards from Greeting Card Universe. Thank you for your attention to detail!”
Kerri - Norwich, Connecticut - Oct 3rd, 2026
more testimonials
Click to verify BBB accreditation and to see a BBB report.
Satisfaction Guarantee on Greeting Cards
  1. What is your delivery time?
  2. How much do cards cost?
  3. Do you offer bulk discounts?
  4. Is personalization free?
  5. Are these quality cards?
  6. How much does shipping cost?
  7. Who can I mail the cards to?
  8. How quickly are cards mailed?
  9. Do you ship outside of the US?
  10. Are envelopes included?
all products

> No > Sweetest Day > For Sister

1 - 4 of 4
Per page: 
Sort: 
View: 
Page  1  of 1

Happy Sweetest Day Sister Colorful Candy Pink…

Customize: Inside text only
Inside Text: May much happiness come your way for all the good you do each day. Hope you have a wonderful Sweetest Day!
Artist: Cathie Richardson
Product Id: 1173526
custom card enlarge add favorites personalize purchase Sell this card

May much happiness come your way for all the good you do each day. Hope you have a wonderful Sweetest Day!

Sweetest Day Cupcakes - for Sister

Customize: Inside text only
Inside Text: Happy Sweetest Day to the SWEETEST person I know.
Artist: Favreau
Product Id: 715865
custom card enlarge add favorites personalize purchase Sell this card

Happy Sweetest Day to the SWEETEST person I know.

Sweetest Day - Sister - Cupcake with Heart

Customize: Inside text only
Inside Text: Hope your day is as sweet as you are!
Artist: Gerda Steiner
Product Id: 911370
custom card enlarge add favorites personalize purchase Sell this card

Hope your day is as sweet as you are!

Hand Lettered Sweetest Day Sweet Cupcake with…

Customize: Inside text only
Inside Text: Happy Sweetest Day to the sweetest sister ever!
Artist: Teri Nelson Kuster
Product Id: 1927802
custom card enlarge add favorites personalize purchase Sell this card

Happy Sweetest Day to the sweetest sister ever!