Your Astros just won this year's World Series and your source for the best Astros World Series Champs flags and more 2022 World Series decorations for your home is the MLB Shop. Proudly wave your Houston Astros flag throughout the year when you shop our unbeatable selection. Decorate your home with colorful Houston Astros house flags and garden flags. Adorn your game room or man cave with giant Houston Astros banners and unique pennants. Take your team pride with you on-the-go and add a Houston Astros car flag. Visit the MLB Shop for all your Houston Astros flag and banner needs.