Make sure everyone knows when your business is open with the bright red and blue Open Neon Sign on Metal Grid. Great for hanging in a window, the sign is strong and powerful! Will last for years to come! With this Red and Blue industrial strength OPEN neon sign, mounted on a black metal grid, you're ready to tell the world you're ready for business. The industrial strength neon sign is mounted on a black metal grid and perfect for a wall or a window. It is 250 watts of bright, and the hand blown glass neon will last upwards of 10 years. Customers will come, the sign will glow. neon glass , metal grid , electronics.