Saunders' recycled aluminum Citation Holders help you stay organized so you can get more done. Each ticket holder is made from durable recycled aluminum which provides a sturdy portable writing surface while on the go. The top-open design with 1" internal storage capacity and hook and loop strap holds your important documents or a ticket book in place. The serrated clip with credit card/ID holder securely holds up to 100 sheets of 20 lb paper or a full ticket book. All Citation Holders include a hinged writing plate that prevents write-throughs and doubles as a privacy cover to keep internal documents secure and sensitive information protected from prying eyes. These metal document holders are perfect for police officers, traffic workers, city workers, delivery drivers, insurance agents, trade professionals, warehouse staff, and others in the government, emergency services, logistics, and food service fields.