The NEW QuickStudy Periodic Tables Laminated Pocket Guide is an expanded/revised 4" X 6" pocket-sized edition of our full-sized Periodic Tables Laminated Study Guide as well as an ideal accompaniment to our Periodic Tables Advanced Laminated Study Guide. Now in a 3-paneled, premium tri-fold lamination layout, it's loaded with clear and concise illustrations of the periodic table for a better studying experience with scientific subjects such as Chemistry, Biochemistry and Organic Chemistry.