The largest ones are 2.5" x 1.5" The medium ones are 2.25" x 1.25" The smallest ones are 1.75" x 0.75" and 1.5" x 0.50" I have another set of bookplates in my shop called "Noa". Please look at the last pictures for size comparison. If you would like to purchase multiple items, message me before purchase so I can consolidate shipping costs.