EASY TO ASSEMBLE: Shamrock Flag with light green and dark green, string them together and hang on the center of wall, window or curtain. Shamrock foil balloon can be inflated air or helium, you can stick them on banners surround or put them on the floor after inflate air. If you want they can float on the ceiling, you can inflate helium. APPLICABLE OCCASIONS: This theme party is not only be suitable for St. Patrick Day, but Birthday, Baby Shower, Parade, and Jungle theme party. HIGH QUALITY: After inflate helium, Shamrock foil balloon can stay fill three to seven days, and latex balloon stay fill three to eight hours, and inflate they with air can stay fill a week, so we suggest you inflate they with air half or an h Our before a party begins.