The actual glass tube is smaller than the backing size. Real glass neon tube and acrylic printed. Not whole neon glass tube. Bright & Prettier colors and Excellent Quality. Or metal backing is. All you need is a nail. It will be suitable for wall, window and any place yo. Meanwhile, it is awesome gift and adorable present for family or friend! We guarantee the safe arrival of the neon signs. We will resend the replacement parts or a new sign. If you want to. Change the size or color. Of the neon signs. Tell us your requirement. Your size (or colour) information in. After receiving the item, please leave us a good feedback. To our value customers. Please keep in mind that in most cases U.