Sheldon Big Bang Theory Quote | Vinyl Wall Decal | Funny Sticker for Bedroom Geek 20"x18" [BBT2] Size: 20"x18" Great for decorating a bedroom or any wall in the house Material is a flat vinyl which is intended for indoor use Images are not to scale (actual size may appear larger or smaller). Image color may also appear different than actual vinyl color. Please specify color choice upon checkout