Metal frame Size is. Actual neon tube size is slightly smaller than metal frame size. If you want to. Change the size or color. Of the neon signs. Please tell us your requirements. We will make a. Neon sign to meet your demand. All of our signs are real glass tube neon! They are true hand-blown, gas-filled glass neon signs! They are NOT plastic tube lights or LED signs. The tube installed on the metal frame with. All of our signs come complete with everything you need. Just hang them up, plug them in, and enjoy! The plug standard strictly follow the US/EU/AU/UK standard, which is safe and reliable. The high quality material of the glass tube, which decide our real glass neon signs maximizes the safety factor and durability. The color is bright but not dazzling. The appropriate brightness can make a comfortable atmosphere. Eye catching, high compact! People will first notice it when they are getting close. It is an affordable, well-made item for advertisement and decoration! It suited for any room, bar, club, man cave, recreation room, shop, apartments, dormitories. And it is also a better choice for gift. But this neon sign is made of real glass. If does, please contact me before you make a return request, please send me some photos of the neon sign, we will deal with it within 24 hours. We also do custom neon sign for our customers, please send us the picture or words you want to make into neon sign, then we will reply the price and size of the sign.