Iittala's watering bottles will keep your plants watered, hassle-free, while you’re away on vacation. Or, if you happen to be a forgetful gardener, even when you’re at home! Just fill the bottles with water and push the nozzle into the soil; the bottles will take care of the rest. The watering bulbs will keep your houseplants watered for up to one week depending on how thirsty the plants are – the perfect self-watering system for any busy gardener.