Isbir Holding A.S. manufactures and sells sponges, mattresses, big bags, and carpet bases in Turkey and internationally. It operates through the Sponge and Mattress, and Synthetic Textile segments. The company offers polyurethane canvas, tarpaulin, greenhouse cover, carpet underlay, and lined and unlined valves. It is also involved in marketing, export, sale and import of all kinds of industrial goods produced by the group companies. The company offers its products for mattresses, armchairs, sofas and seating groups, as well as for the home textile, manufacturing sector, automotive, upholstery, packaging, and heat and sound insulation applications. It also exports its products. The company was incorporated in 1968 and is headquartered in Ankara, Turkey.