Flashing paper cards are a type of interactive promotional material that incorporate flashing LED lights. They are commonly used for advertising, marketing, and event promotions. Here are some of the main uses of flashing paper cards: 1. Brand promotion: Flashing paper cards can be customized with a company's logo, slogan, or message, making them an effective tool for brand promotion. They attract attention and create a memorable impression. 2. Product launches: When introducing a new product or service, flashing paper cards can be used to create excitement and generate buzz. The flashing lights draw attention and make the product stand out. 3. Event invitations: Flashing paper cards can be used as unique and eye-catching invitations for special events such as product launches, parties, or grand openings. The flashing lights make the invitation more enticing and memorable.