Your son can announce his promotion with our comfortable 'I'm A Big Brother' T-shirt. From size 1-2 years up to 12-13 years in lots of colours to choose from. It's a 100% cotton preshrunk T-shirt. We don't compromise on quality at any stage of the printing process so you get a product that will last and last. Fully machine washable at 30 or 40 degrees. Iron on reverse. Quick and free UK delivery.