Classic yet contemporary, this black, desk calendar base holds standard, E919-style calendar refills (sold separately) with a 3" x 3-3/4" page size. Durable plastic base has two rings to secure loose-leaf sheets firmly in place. Its two-ring horizontal format allows you to flip over to the next day. Plastic feet protect the desk surface. Recyclable base is made of high-impact, molded plastic. General Information Manufacturer: ACCO Brands Corporation Manufacturer Part Number: E19-00 Manufacturer Website Address: http://www.acco.com Product Name: Loose Leaf Plastic Calendar Base Packaged Quantity: 1 Each Product Information Application/Usage: Calendar Physical Characteristics Color: Black Material: Plastic