






Big Brother / Big Sister Club Sibling T-Shirt – Matching Tops for Kids
Celebrate the sweetest promotion ever with our Big Brother Top and Big Sister Top – perfect for proud siblings who can’t wait to show off their new role. Twin with their sibling with the matching little brother or sister club t-shirts.
Made from soft, breathable cotton, these sibling t-shirts are comfy enough for everyday play and special enough for those family announcement photos you’ll treasure forever. Choose from bold embroidery or classic print styles, each designed with Marloweville’s playful twist.
Why families love them:
👕 Available as both a Big Brother T-Shirt and Big Sister T-Shirt – ideal for matching sibling outfits
💛 Soft, durable cotton – gentle on skin, tough on adventures
📸 Perfect for pregnancy announcements, new baby gifts, or sibling photo shoots
🌈 Matching “Little Brother” and “Little Sister” options also available.
Our t-shirts are ethically and sustainable sourced – made from 100% organic cotton 🌱, GOTS and OEKO-TEX® certified (meaning no harmful nasties against little ones’ skin 👶), and produced in Fair Wear Foundation approved factories. Sustainable, ethical, and super comfy – so you can feel as good about our tees as your kids do wearing them 💛. Read more about the manufactures here- https://stanleystella.com/en-gb/sustainability
These sibling tops make a thoughtful present for new big brothers and sisters – a fun way to help little ones feel included in the excitement of welcoming a new baby.
Sizing: From toddler to older kids (12–18 months up to 12-14 years).