Cubilan 4pcs Plant Watering Globes Automatic Plant Watering Bulbs Irrigation Terracotta Watering Device Decorative Self

4.4" high and 2.36" diameter.Each plant watering globes can hold 120ml/4 oz water. Made by premium terracotta with its porous clay to soak water or Nutrient solution automatically into the soil to moisten the plant root.Water is gradually released through Terracotta when the plant need water. We recommend using them for regular watering, refilling every 3-6 days depending on your adjustment.Your plants will take care of themselves while you are on vacation or otherwise busy; waters your plants only as needed.