The product is a pack of A4 sheets made from 3mm white aluminium composite material, specifically Alupanel or Dibond ACM. This versatile material is ideal for making signs and displays, especially in business, office, and industrial settings. The aluminium construction ensures durability and resistance to weather and environmental factors, making it a practical choice for various signage needs. The sleek white finish provides a clean and professional look, perfect for adding a touch of sophistication to any sign or display.