This is a 3x5ft Indoor Outdoor Super Polyester Nylon Twill 2-ply Wind Resistant Flag Banner These flags are true double sided meaning the words and logo read correct on both sides of the flag 2 flags sewn together to read correct and also provide extra strength and durability The Nylon/Poly Twill is best for outdoors because of it's long term durability to the weather and elements All flags are pre-treated with a stainguard/weather-guard to last longer than normal