American Educational 4 Color Periodic Table Wall Chart - Includes elements up to UUO118 (49-½" Length x 38" Width)Large chart is printed in four colors to insure easy visibility from every corner of the classroom Durable material will withstand heavy classroom use Now includes elements up to UUO118 For grades 7 12, ages 12 18 Measures 49 1 2" width by 38" height Large chart is printed in four colors to insure easy visibility from every corner of the classroom. Durable material will withstand heavy classroom use. Now includes elements up to UUO118. Measures 49 1