【Aluminum Single-Sided Snap Frame for Easy Promotions】This frame is designed for easy loading and unloading of marketing materials. Simply open the snap frame without any tools, insert or replace your materials, and then quickly close the spring-loaded frame back into place. This convenient feature allows for effortless updates and maintenance. The frame is ideal for use in high-visibility locations such as gas stations, convenience stores, shops, banks, and restaurants, making it perfect for advertising special promotions and attracting customer attention. The shipping box measures 55.7 inches in width, 31.6 inches in depth, and 1.6 inches in height, with a gross weight of 12 pounds 【Overall Size 53 X 29 X 0.