A3 sign pocket for 1 A3 sheet – clear 2 mm acrylic with tape. Practical A3-format sign pocket made from clear 2 mm acrylic. Suitable for presenting information, promotions, instructions, menus or notices in shops, offices, showrooms and receptions. The sign pocket is designed for 1 A3 sheet and can be easily mounted on smooth surfaces using the tape on the back. The transparent acrylic provides a premium appearance and makes it easy to change the contents as needed. Product information. Format: A3. For: 1 A3 sheet. Material: Clear acrylic. Thickness: 2 mm. Mounting: Tape on the back. Applications: Windows, walls, doors, fixtures and other smooth surfaces. A simple and elegant solution for clearly displaying messages, prices and information.