With this sinus irrigation bottle, you can easily flush your nose by pressing the valve, which is very practical because you don't need to squeeze the bottle. When you want to stop the flow, just release the valveComplete nasal wash: Our sinus wash kit includes a 300ml bottle and 60 packs of nasal wash salt, designed specifically for nasal washing. You can use nose wash multiple times with one purchase. It is a good choice for personal nasal irrigation or daily nasal care.Large Capacity&Safety: A 300ml nasal wash bottle, 1 pack of 2.7g salt and 300ml water, sufficient for one nasal rinse. Remove dust, dirt, etc. Bringing you fresh breath. Comfortable temperature: The temperature strip in the packaging allows for a more comfortable cleaning of the nasal cavity with water close to body temperature. The doctor suggests using water at 37 C/98.6 F.Suitable for both an adult and a child. Children should use it under the supervision and guidance of doctors or adults. And make sure to choose the tip of the children's nose wash.Instructions for use: Prepare saltwater in a bottle, 300 milliliters of water, approximately 37 C/98.6 F. Add 1 pack of salt and mix thoroughly. Invert the bottle and gently insert the tip into a nostril. Press the valve button to start the solution flow. Release the button to stop the flow of the solution. More detailed information about user guides in packaging.