Abstract: A spray bottle which comprises a bottle body having a mouth around which an annular groove is formed and a spraying pump having a stem located through the mouth of the bottle body for pumping up and spraying out liquid contained in the bottle body. The spraying pump includes a press-knob incorporating a spraying nozzle provided at an upper end of the stem and a cap provided co-axially around the stem for locating the overall spraying pump in position upon fitting over the mouth. An O-ring is located in the annular groove for engagement with an inner side of the cap for sealing.