The Iderama Harmonika Multipart File has a glossy plastic coated 600gsm pressboard cover. The dividers are black and grey in colour and are made from 225gsm card. The File also has elastic straps to keep documents secure also have a water resistant coating. The Multipart File is 24.5x32cm in size and can hold A4 documents. Reinforced Tabs The Multipart File has 12 sections with pre-cut windows and an elastic strap