With these innovative watering globes, you don't need to worry about leaving your plants unattended! Especially While You're Traveling! Plant Waterer Bulbs Self Watering Globes These small plants self-watering systems self-watering bulbs slowly release the perfect amount of water needed into the soil, are perfect for your vegetables, indoor, outdoor garden, water plants day-to-day, potted plants, houseplants, herbs, patio plants, hanging baskets, deck pots, hanging plants, small tree, shrubs. Product Description Indoor and outdoor applicationWatering device using high-quality PVC Plastic materials.Easy to clean and maintainTransparent color, convenient for you to observe water consumption of plantsPlastic material is not fragile. Lightweight, Strong and Durable Plant Watering Globes Not only do these watering globes have a simplistic elegant design with effective results, they can be used for 3-5 years, non-fragile. 2. Compared with similar glass products, the utilization rate is greatly improved. Sizes & Package Round Watering Globes High 10 in / Dia.3.15 in Bird Watering Bulbs High 10 in / Dia.3.94 in Round Watering Globes 5pcs Bird Watering Bulbs 5pcs Automatic Irrigation DrippersWatering Globes for Indoor PlantsHouse Plant Water BulbPlants Self Watering SpikesAutomatic Plant Waterer for Indoor and Outdoor PlantsPlastic Vacation Plant Self WatererHouseplant Garden WatererFlower Watering Device Drip How long do these plant watering globes provide water for? The time would depend on soil, plant, environment and size of pot. In general, it can last 4 days to more a weekMake sure you have good quality, moist soil. If the soil is too dry or sandy, the water will just run right through and empty out quickly. Watering your plant 100% before you put watering bulbs in, it will extend self-water time.Also consider the plant itself (how thirsty the plant is), environment(temperature and humidity) and pot size, it may require multiple bulbs to extend the working hours of self-watering globes.The plant is more large, the pot is more bigger, the self-watering time is more shorter. We would recommend, give your pots a thorough watering and set your bulb's quantity and location, experiment as needed.