Mkono 2pcs Self Watering Aqua Globes Small Plant Automatic Watering Bulbs Ball Self-watering system, Great for taking good care of your plants when you go out or travel in two weeks. Material: Made of PVC material, high quality, durable and convenient, not easy to broken Fits for use with potted plants, houseplants, patio plants, hanging plants and outdoor gardens. Suitable for a variety of potted plant height Easy to use. Simply fill the globe and insert it into soil Size: Intubation length 7.0".Mkono is a registered trademark and our product is professional manufacturing and sole selling.