http://hdgarden.en.alibaba.com

1，Garden Plant Halos Crop Support Watering Tubs For Grow Bags All in one watering and crop support solution for  popular crops such as tomatoes, peppers and beans. 

2.Plant Halos can be used on grow bags, pots，raised beds, as well 
on traditional vegetable plots.
 3.The central inner pot creates the planting area which is particularly useful when used with grow bags as it allows a deeper planting zone to develop healthier plants.