Water hose model QA358 usually made of materials such as polyurethane, polyethylene, plywood or rubber, which may be made from one of these materials or a combination of them. But the tube is hard and strong and keeps the spine straight as it sinks. The hose is usually cylindrical with a circular cross section. Hose raw materials Hoses are mainly made of different materials. Some hoses are even made of 8 different layers. All these layers are made of a different material. The outer layer must be strong, because it stretches along the concrete and stone. PVC is often used for this outer layer. In general, garden hoses are made of vinyl and rubber. The more durable the hose, the less it will leak.