-The art is affixed to a thick, weighted protective acrylic block giving a three dimensional appearance -These lucite tabletop blocks make the perfect bridesmaids, hostess, or teachers gift. -All acrylic sizes vary depending on design. The larges range between 6X6 to 5X7, 3/4" thick. The minis are on average 2.5 X 4.5", 1/2" thick.