The Banners are made of high-quality polyester which makes the bunting flags waterproof so the rain will be the least of your worries. Suitable for indoor and outdoor use. Prepare for the world cup! Whether you're soccer fan or the owner of a sports bar. You will want this in your arsenal for the upcoming event! String Flags great decorations for garden, sports venue, classroom, Olympic Games, World cup, International Celebration Events, Dinner parties, Restaurants, Bars, Classroom, street parties and other festive.