Funny T-Shirts, Cool Graphic T-Shirts | Chummy Tees



With Chummy Tees, celebrate the bond of sisterhood and the joy of family with our exclusive Baby Sister t-shirts range! Carefully chosen and crafted for all those doting older siblings, our tees bring forth an essence of familial fondness, love, and mischief. Perfect for all occasions, age groups, and styles, these shirts aim to encapsulate the sweetness, the shared giggles and the irreplaceable memories of growing up with a baby sister. As these tees form an integral part of your family celebrations, get-togethers, vacations and regular day-to-day life, let us take you through the world of these t-shirts that stand testament to your wonderful bond with your baby sister.

The Joyous Celebrations - Birthdays and Family Get-Togethers

For birthdays and family get-togethers, our baby sister t-shirts are the perfect go-to clothing option. Especially for the doting big brother or sister, slipping into these peppy tops while planning a bash for their little sister signifies sibling affection at its best. It amplifies the spirit of the party and makes the younger one feel protected, loved, and incredibly special.

Gifts for the New Big Brother or Sister

Having a new baby sister in the family brings bundles of joy, and our t-shirts serve as ideal gift options to congratulate the now older siblings. The playful phrases, cool prints, and delightful colors of the tees compliment the excitement in their eyes and the joy in their smiles as they welcome their baby sister into the world.

Basking in the Holiday Spirit

Celebrating the holiday spirit with baby sister t-shirts is perfect for adding a fun twist to the festive vibe. Big brothers and sisters sporting these t-shirts at Christmas, Easter, or Thanksgiving dinner, can add an extra sprinkle of cuteness to the family photographs, making the occasions even more memorable.

T-Shirts for Everyday Comfort

Not just for special occasions, our baby sister t-shirts are also perfect for regular wear. With comfortable fabric and casual styles, they can effortlessly fit into the day-to-day outfits of older siblings, reflecting the strong sibling bond even in the most mundane routines.

Encapsulating the Vacation Excitement

Children bubbling with excitement, embarking on family vacations, can radiate extra cheer by flaunting baby sister t-shirts. Such tops create unique family moments, making the little sister feel loved and cherished while collectively increasing the holiday enthusiasm.

In A Nutshell

Chummy Tees bears the hallmark of love and warmth with its Baby Sister t-shirts range. Serving as the perfect attire for virtually all occasions, the classic range reflects the endearing sibling bond in each stitch and seam. So, whether it's a causal day out, an exciting family vacation, or a festive celebration, let the love for your younger sibling shine bright with our range of tees.


In essence, our Baby Sister t-shirts at Chummy Tees are a quintessential representation of enduring sibling bonds, helping to create and capture those special moments of love, care, and shared happiness. So step in, explore our amazing collection and choose from a myriad of fun, loving, and delightful designs to add a personalized touch to your sibling bond – with Chummy Tees, your family is always in style!


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Printed & shipped from California
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+When will my baby sister t-shirt arrive?

Most orders ship out within 3-4 business days from our warehouse in California, United States via USPS Ground Advantage(1st class mail). For all details about order shipping and our delivery estimates, you can read our Shipping Policy & Manufacturing Info page linked in the footer.

+What payment options do you accept?

Credit Cards: Visa, Mastercard, American Express, Discover, JCB, Diners Club International
Accelerated Checkouts: Google Pay, Apple Pay, Shopify Pay, Amazon Pay

We do not accept cash, checks, money orders, bank transfer, or CODs for online purchases. We do not offer in-person payments at this time. All prices are shown in USD. An account is not needed to make a purchase. Our cart uses SSL 256-bit encryption for ultimate security and protection.

+What are the tees made of?

We offer 9 clothing styles for each of the baby sister t-shirts in our shop. Each tee is made with a different blend of cotton, polyester, and/or rayon. See the size chart for specifics of the apparel options you have selected.

Size Chart: