Straight umbrella material varied, with iron, fiber and aluminum alloy. Iron rods do advertising umbrella is the most commonly used in our daily lives everywhere. Fiber with aluminum umbrellas made compared with the iron is more upscale, but the price is slightly higher. Straight umbrella umbrella cloth there are many types, there are polyester, carom, nylon, oxford, etc. It's commercial coating is widely used. With the diversification of forms of advertising, straight umbrella also diversified. Product parameters: umbrella cloth: touch from Busan bone: iron rods fibrous