Flat cut acrylic letter with yellow vinyl Thermoforming process or heat bending process. Custom design. Detailed product description:1. Flat cut acrylic letter with yellow vinyl , customized vacuum formed outdoor sign.2. Custom design, thermoforming process.3. OEM service. Lijiu Plastic's Thermoforming ProcessLijiu Plastics is a high quality provider of products and services. The products that we ...