Vector Illustration of Welcome Back to School Cartoon Inscription. Colorful and Bright Banner for Knowledge Day in September with Geometric Background. School Theme Design Template.Neon Candy Letters. Shutterstock .eps vector - Vector Illustration of Welcome Back to School Cartoon Inscription. Colorful and Bright Banner for Knowledge Day in September with Geometric Background. School Theme Design Template.Neon Candy Letters. - ID: 687858379