CHILDS BRITISH POLICE OFFICER COSTUME SET COSTUME TO CHOOSE FROM: YELLOW HI VIS POLICE VEST WITH SILVER BADGE BLACK POLICE VEST WITH SILVER BADGE HATS TO CHOOSE FROM: BLACK POLICE PANDA HAT WITH SILVER BADGE ON THE FRONT BLACK POLICE HARD HAT SIZE GUIDE Small (4 - 6 years) Chest 25" (64cm), Length 15.5" (40cm) Medium (7 - 9 years) Chest 29" (74cm), Length 17" (44cm) Large (10 - 12 years) Chest 34" (86cm), Length 19.5" (50cm) X-Large (12 - 14 years) Chest 37" (94cm), Length 23.5" (60cm).