Made of sturdy plastic, sturdy and rust resistant, durable material can serve a long time use 2in1 connector: 3/4 inch and 1/2 inch plug connector can be used with 95% of all outdoor faucets (the faucet must have a male thread) Easy to use: The faucet connector comes with two parts. When both parts are intact, the connector fits a 1/2 inch tap. When the top part is unscrewed, the connector fits into a 3/4 inch tap. Compatible: The connector attaches securely to the outdoor faucet and converts it to a standard quick connect system. Package includes: 2 x 2 in 1 threaded tap connector and 2 o-rings (16mm) and 2 tap connector washers (24mm) and 2 tap connector washers (19mm)