Personalised Big Brother, Big Sister announcement T-shirt - I'm going to be a big brother / brother - Big Brother or Sister announcement

Share your exciting news with our Personalised Big Brother & Big Sister Announcement T-Shirt from Spotted Lizard Prints. Designed to make your pregnancy reveal even more memorable, this adorable personalised sibling announcement outfit is the perfect way to let your little one help announce that a new baby is on the way.

Featuring a charming "I'm Going to Be a Big Brother" or "I'm Going to Be a Big Sister" design, each t-shirt is personalised with your baby's due year, creating a unique keepsake that your family will treasure forever. Whether you're planning a surprise reveal, pregnancy announcement photoshoot, or a special gift for siblings-to-be, this personalised t-shirt makes the moment even more magical.

Every t-shirt is individually hand printed to order in our Stafford workshop using premium materials and professional printing techniques, ensuring each order is made especially for your family.

Personalise Your Pregnancy Announcement

Simply provide:

• Baby's expected due year

Example:

2027

Your personalised due year will be printed exactly as entered, so please double-check all details before placing your order.

Choose from either:

• I'm Going to Be a Big Brother
• I'm Going to Be a Big Sister

Perfect for Pregnancy Announcements

This personalised sibling announcement t-shirt is ideal for:

• Pregnancy reveals
• Big brother announcements
• Big sister announcements
• Family surprise reveals
• Baby announcement photos
• Social media reveals
• Baby shower surprises
• Grandparent announcement gifts
• Gender reveal celebrations
• Sibling keepsake gifts

A wonderful way to involve older siblings in your exciting news.

Why You'll Love It

• Personalised with your baby's due year
• Choice of Big Brother or Big Sister design
• Perfect for pregnancy announcements
• Soft, comfortable, and child-friendly
• Hand printed to order in the UK 🇬🇧
• Premium long-lasting print
• A keepsake your family will cherish forever

Designed to make your announcement one you'll always remember.

Premium Quality T-Shirts

Our children's t-shirts are soft, breathable, and comfortable for everyday wear and special occasions.

Sizes 1–2, 2–3 & 4–5 Years

• 65% Polyester / 35% Cotton
• Approx. 165gsm

Sizes 5–6, 7–8, 9–10 & 11–12 Years

• 100% Polyester

Product Features:

• Classic white
• Premium matte finish
• Soft and lightweight
• Comfortable fit
• Ideal for everyday wear and announcement photos

Premium Quality Print

Using professional sublimation printing, every design is permanently infused into the fibres of the fabric, creating a smooth, seamless finish that won't peel, crack, or fade.

The vibrant print stays bright wash after wash, ensuring your announcement outfit remains a treasured keepsake.

Care Instructions

• Machine wash at 30°C
• Wash inside out where possible
• Do not bleach
• Do not tumble dry
• Iron inside out on a low heat if required

Handmade by Spotted Lizard Prints

Every personalised Big Brother & Big Sister Announcement T-Shirt is individually hand printed to order in our Stafford workshop. We take pride in producing high-quality personalised gifts with exceptional craftsmanship and attention to detail, helping families celebrate life's most exciting milestones.

A Pregnancy Reveal Keepsake to Treasure Forever

More than just a t-shirt, this personalised Big Brother or Big Sister Announcement Outfit captures the excitement of welcoming a new baby into the family. Whether worn for your pregnancy reveal, family photoshoot, or carefully stored in a keepsake box, it becomes a lasting reminder of the day your growing family shared its happiest news.

Note: On some products, the display image is an A.I and Colours may vary slightly. Due to the way different materials react to heat and lighting, colours may vary slightly. Checkout our blog for regular updates.