This package of 12 clear page protectors includes 6 each of 2 designs. The first design includes six 2" x 2" pockets and two 3" x 4" pockets. The second design includes two 2" x3" pockets, two 4" x 3" pockets, and one 6" x 2" pocket, appropriately naming this collection "Mix It Up." These pages are to be used with the 49 and Market 6-ring Foundations binder (sold separately). These pages are acid free.