Tiara is about 13-1/2" wide by 6" tall. Includes cardlet and envelope (no extra postage necessary). Elastic band included; one size fits all. Celebrate this moment with heart the moment's clever and colorful paper tiaras and crowns. These vintage-inspired designs include a greeting card and envelope for use on special occasions or give one to each party goer and delight in the smiles as guests don the clever and colorful designs.