Schoolwear from Banner Looking at the great demand for school wear we have formed an alliance with school wear manufacturers Banner & have introduced a range of high quality school wear for boys & girls. This Boysâ Short Sleeved White School Shirt Twinpack comprises of two short sleeved white shirts with collar & front button placket with buttons running all the way down the shirt front from the collar. The white school wear shirt is made from 65% polyester & 35% cotton & can be machine washed, however the shirts do not need to be ironed