Attainment TalkBook Four Removable Display and Storage Folder Set, 13-3/8 X 6-5/8 X 3/8 in, Vinyl, Green, Set of 4 Sold as a Set of 4 Made from green vinyl for a sleek and modern look Features transparent pockets to hold four removable GoTalk Ones Very durable providing great protection when traveling or storing An affordable option for any parent or teacher