The hose connector is made of plastic, which is a sturdy material and will extend the service life. Widely used in gardening irrigation, balcony watering flowers, garden irrigation, car washing, garden irrigation, etc. Double male hose connectors, fitting compatible for 1/2 inch diameter hoses; 1/2 inch hose ends connector, allow 2 lengths of hose equipped with female connectors to be joined together, quickly extend the hose length if you need. 2 in 1 Garden Hose Connectors: Each connector can be separated into 2 parts, one part is green and the other part is black, the green part works with 3/4 inch, the black part works with 1/2 inch, the connector securely attaches to the outside and converts it to a standard connection system. The connector fits 1/2 inch DN15 flexible hose (OD 16 mm), designed to fit most male end connectors (OD 16 mm), it can be securely attached in seconds and can be detached by a simple pull down of the body. Material: Plastic Color: Green + Yellow Package