Why We Love It These unique coaster postcards are made of thick Kraft paper with black Thank You lettering. The back of the card is blank so you can add a personal message and send anytime you want to express heartfelt thanks. Specifications Crafted of heavyweight paper with twine in a Kraft box Set of 10 World Market exclusive Tags: 4"W x 2"H Box: 5"W x 1"D x 3"H