The items are some watering devices which are manufactured of plastic material, durable and safe. they are not easy to be broken. For daily plants watering, suitable for for home etc. Automatical design is practical, you your time Features - ColorAssorted Color - Material: plastic - Size: Approx. 3x3x13.5cm - Plastic material which is not easy to be broken. - Automatical design is practical, you your time to do other things - for home etc. - They are simple to use and easy to operate, When the humidity reaches a certain level, it stops automatically, It will neither cause the waste of water resources, nor affect the growth of plants because there is too much or too little water. - When you go out or don't have time to water your plants every day, just fill the bottle with water and it will automatically water your plants - You can also add water soluble fertilizer to a water storage container and mix it in proportion to the water, reducing the need to fertilize - Let the soil of flowers and plants maintain certain humidity, will not be too wet or too dry, If the soil is too wet, it will automatically stop drip irrigation, If the soil is too dry, it will draw water from the basin and water itself until the plants are moist Package list: 16 x watering devices