Paper Accents Adhesive Vinyl Letters are pressure-sensitive, easily removable, repositionable, with excellent water-resistance and light stability. Use to adorning your walls, on outdoor signs for garage sale or car wash, and so much more! The vinyl shapes are flexible and can stick to most flat and curved surfaces such as-glass, plastic, metal, painted wood, aluminum and even some types of concrete walls. Contains one 4 inch upper case X and one 3 inch lower case x. 2 pc. Black.