... patent 2)could stack one by one ,save space ,easy set up 3)both stand on floor and hanging it Specifications1)Our ... patent 2)could stack one by one ,save space ,easy set up 3)both stand on floor and hanging itStack & Grow Indoor ... :15.3CM for one pot 2)Muti-options: A)One set including 3pcs of pot ,3pcs self-watering grid , one bottom ...