This empty slip case from National Geographic is a must-have for collectors looking to store and protect their magazines. The slip case is designed to fit issues from any publication year between 1961 and 2020. It features the iconic National Geographic logo and is made of high-quality materials to ensure durability. The slip case is perfect for those who want to keep their National Geographic magazines organized and in good condition. It is suitable for anyone who owns a collection of National Geographic magazines, regardless of their publication year. Get yours now and protect your valuable magazines in style.