12X18 FIFA World Cup Car Flags European Belgium Wales Spain Denmark. Belgium Spain Wales Croatia Serbia Denmark and Switzerland European Countries Car Flags are made with heavy duty Premium Polyester Fabric, for moving vehicles, the window pole and clip is made of plastic. Extremely strong enough to be used on the highway and in rainy weather. These car flags have thick brackets to clip onto most car windows. Cheer on your favorite team or country, keep as a souvenir or give as a gift.