Tierra Garden GP167G Green Plant Halos (Pack of 3) Plant Halos offer an 'all in one' watering and crop support solution for popular crops such as tomatoes, peppers and beans Can be used in grow bags, pots, raised beds, traditional vegetable plots or directly in a potting soil bag Manufactured from recycled, UV stabilized plastic and are guaranteed for 5 years Helps ensure that water and liquid feed are delivered at a reduced rate that is easier for plants to absorb, preventing waste common with conventional watering 3 anchor slots surround the inner pot and provide the means for a rigid, wind resistant structure when using a bamboo cane (not included)