A sprayer includes a flexible ball for receiving perfume or powder therein and an outer part is mounted to the flexible ball. A nozzle unit is engaged with the opening of the flexible ball and the top hole of the outer part. The nozzle unit includes a body which has a passage defined therethrough. A connector has a groove defined in the first end thereof which is inserted into the opening of the flexible ball and the inner periphery of the opening of the flexible ball is engaged with the groove. The second end of the connector extends beyond the opening of the flexible ball and is threadedly connected to the body. A mounting part is mounted to the body and the second end of the connector. The mounting part has a flange which presses the periphery of the top opening of the outer part against the connector.