Product Description: 90cm foil Mylar Letter balloons are the ultimate way to celebrate someone's birthday, a business or for marketing a new Product! spell out the persons name or Product and either inflate them with helium to have them float or with air and attach them to the wall. These huge balloons are great for bouquets, photo backdrops, on the top of balloon columns, incorporated into a balloon arches and more. Add Colour coordinating Mylar's and latex balloons for the ultimate balloon bouquet!