The NEON decoration signs have been a bestseller in many party stores for years. With 50 x 50 centimeters they are the perfect decoration on doors and windows. This decoration sign with text Happy 21 is made of cardboard with a plastic layer and is available for multiple crown ages and occasions. Ideal to use outside on the door or inside on the window or wall and because it is not a sticker, this decoration sign can easily be hung with tape or by means of a string. The decoration signs can be ordered per 12.