It's suitable for kids aged above 6 months. Item: 100% Cotton Hi-Vis Shirt with reflective tape for kidsFabric: 100% Cotton, 190GSM Orange: 100% Cotton, 190GSM Yellow: 100% Cotton, 190GSM Navy: 100% Cotton, 190GSMColor: Orange. Yellow, Orange/Navy, Yellow/NavyTape : 3M8906 Reflective tape, 2.5CM width. 100% Cotton Hi-Vis Shirt with reflective tape for Kids