You won't need to worry about keeping your indoor and outdoor plants watered while you're away with this cost effective set of 4 self-watering stakes by Science Purchase. Made of durable material that is designed to last, these self watering stakes can set up almost anywhere to tend to your plants. Simply fill a bottle that has a long neck with water, place a stake on top of it, then flip the bottle and push it stake-first into wet soil near the root of the plant. The plant sitter releases water as the soil begins to dry, resulting in a healthy and hardy root. Amount of time The Plant Sitter will water your plants depends on the size of the bottle used. Science Purchase is a trademarked brand, owned by Electronix Express. We are a U.S. based company with a warehouse and offices located in NJ. We perform quality control procedures on all of our products to ensure our customer is getting a quality product backed by our 30-day guarantee. If you are not buying from Electronix Express or Amazon directly, you are purchasing a counterfeit and lower quality product.