Check out the selection of unique summer banners in custom, handmade pieces for decor at Material Promotions. Material Promotions is one of the most prestigious large format graphic design companies in the United States that offer both screen printing and digital output capabilities for custom products. You can celebrate the summer season with beautiful summer banners. These banners are durable and enhance the vibrant color. These are available in various sizes, materials, and designs and are perfect for indoor or outdoor seasonal decor.