This Ambar Ideas A4 file folder with box, featuring an 80mm spine, 2 rings, and a black cover, includes a protective box that enhances the folder's durability and protects archived documents from dust and moisture. The wide 80mm spine offers maximum filing capacity, ideal for preserving documentation over several years. The 2 rings facilitate the insertion and removal of sheets. A complete, understated, and durable choice from the Ambar Ideas line for long-term protected archiving.