Our premium 3' x 5' Polyester indoor international flags are made of all-weather polyester with grommets. They can be used outside for a limited time. the indoor flag is made of all-weather polyester with header tape and 2 metal grommets. The flag is dye-sublimated with beautiful bold colors. Printed on one side all the way through the fabric. Double-stitched around all edges with 4 rows of stitching on fly edge. These indoor international flags can be used outside for a limited time.