 They have remained particularly popular in the United States, even when safety matches had become common in Europe, and are still widely used today around the world, including in many developing countries, for such uses as camping, outdoor activities, emergency/survival situations, and stocking homemade survival kits.However, strike-anywhere matches are banned on all kinds of aircraft under the "dangerous goods" classification "U.N. 1331, Matches, strike-anywhere".Safety matches are classified as dangerous goods, "U.N. 1944, Matches, safety".