Each Kit contains 12-page board books and labels. Books are 4 3/4 by 6 inches. The pages are made from pure white 24pt C1S paper, which is varnished. Each page is about as thick as 12 sheets of 24 lb. copier paper. Each book is about 1/3 inches thick. Each book has a Front Cover, a Back Cover, and 5 two-page spreads. Thus there are 6 leaves with 12 surfaces to work on. Glossy Labels for INKJET Printers ONLY. Matte labels for INKJET or LASER Printers.