Platform 9 3/4 Version 2 Harry Potter Door Decor - Wall Decal Vinyl Sticker W21 12"x15" (Black) COLOR: Matte Black - Great way to decorate any wall! Looks painted once after applied High-Quality Die-Cut Vinyl, they are removable and will not damage your walls when removed Simple application: 1)Remove the backing 2)Stick to surface 3)Press down 4)Remove top layer 5)Enjoy!