Thank You wood card. Made out of verified sustainable Alder wood, this card makes a great gift. Measures 3.8 x 5.7 inches and is 1/8th inch thick. Comes with a recycled brown kraft envelope. Finished both sides with a Acrylic Lacquer Engraved only on the front side. Writing can be added on the back with a felt-tipped marker. Can be mailed but will require 71 cents postage. Can be used over and over and passed around for years!