Have something important to say? Customize your white labels with attention-getting images or make your most important messages stand out with high-visibility color labels. Ideal for announcements, priority messages, addressing, color-coding, identification/warning labels and more! Easy to customize with free templates from Avery® Design & Print. For laser printers. Now you've got their attention. Laser Permanent Neon Rectangular Labels. Shape: Rectangular; Label Size - text: 5.5 x 8.5; Label Color(s): Neon Green; Color Family: Green.