A flex board, also known as a flex sign or flex banner, is a popular advertising medium made of flexible PVC material. It is commonly used for outdoor and indoor advertising purposes. Flex boards are cost-effective and versatile, allowing businesses to display their messages and promotions in a vibrant and eye-catching manner. These boards are weather-resistant and can withstand various environmental conditions, making them ideal for long-term use. With their customizable design options and durability, flex boards are a valuable tool for marketing and branding campaigns.