Important Notice: In order to ensure the normal work of the product, we will carry out sampling tests on it. There may be some water in some bottles, please do not mind. If you have any questions, please feel free to contact us. 160ML Refillable BottleMaterial: PET (Polyethylene terephthalate) Unit Size: 7.8 × 2.1in (198 × 53mm) Weight: 3.4oz (99g) Volume: 160ml Spray duration: 1.2 seconds per compression or even lasts for 5 senconds if pressing it longer. Operation: No pumping required, just press trigger and get a nice steady stream spray.***Important Note***1. If unfortunately the bottle does get clogged, please be advised to try fill it with diluted vinegar and spray the vinegar all out to see if the clogging inside the nozzle would get dissolved. 2. Please be sure to change water frequently. Leaving the water in the bottle for a long time might lead to smells developed in the bottle.If unfortunately the smell does develop, please be advised to fill it with soap water or other detergents and be sure to spray the detergents out. This way, the detergents would go through the nozzle and effectively clean the smell in the nozzle as well as in the bottle.