Our numbers are laser cut on the edges which prevents them from fraying. You can sew them down or heat press them on with a commercial heat press (350 degrees, pre-heat garment, 20 seconds, firm pressure. A standard iron will not work). We are using the very popular 3" numbers for all colors, except the red/white which is standard 4" in size.
Recommended shirt/number combinations (note - this is standard. You should check with your assignor/supervisor for any clarification. We cannot be responsible for any numbers put on the wrong shirt or the wrong sleeve).
Navy shirts (red/white trim): 4" red/white numbers
Powder blue shirts (navy/white trim): 3" navy/white/navy numbers
Powder blue shirts (red/white trim): 3" navy/white/red numbers
Powder blue shirts (MLB black/white/powder trim): 3" black/white/black numbers
Black shirts (white trim): 3" white/black/white numbers
Red shirts (white/navy trim): 3" navy/white/red numbers
Grey shirts (white/black trim): 3" black/white/black numbers
White shirts (red/white/blue trim): 3" navy/white/red numbers
Pink shirts (black/white/pink trim): 3" black/white/black numbers OR 3" white/black/white numbers
Cream shirts (black trim): 3" black/white/black numbers
Carolina blue shirts (similar to Honig's Polo Blue): 3" black/white/black numbers
Pro Series Black shirts (white piping/trim): 3" white/black/white numbers
Pro Series Carolina blue shirts (black piping/trim): 3"