Never forget to water your plants again or lose all the hard work you put into helping them grow. The Self Watering Bulb is an automatic plant watering system that drips nutrients into your plants when you're away on vacation, visiting family and friends or don't have time to water every day. We take pride in the quality of our products and the environment. Each watering bulb stake is made of high quality PVC material, plastic is a very common material used to make self watering globes. Watering bulbs are versatile and ideal as a watering system for indoor plants, small outdoor plant watering bulbs, potted plants, pot inserts and self-watering systems for large and small plants and flowers. Our self watering globe for indoor plant accessories is also a great birthday gift for family and friends or gardening lovers/gardeners. Material: Glass.