Material and Function: This pond fountain will add a decorative touch to your pond or swimming pool and let you enjoy the relaxing sounds of the water for a sense of calm and well-being. The waterfall is made of 304 stainless steel, top wide open which is specially designed to guarantee a constant and uniform water flow. Premium 304 stainless steel: The waterfall spillway is made of finely polished stainless steel material with tightly integrated welds that are strong and rustproof. There is no chance of water leakage. It can serve you for a long time without daily maintenance. NOTE: The stainless steel product will produce yellow spots (not rust) when in contact with water. You can wipe the stains with a rag. The cloth and product should be dry before wiping. Premium 304 stainless steel: The waterfall spillway is made of finely polished stainless steel material with tightly integrated welds that are strong and rustproof. There is no chance of water leakage. It can serve you for a long time without daily maintenance. NOTE: The stainless steel product will produce yellow spots (not rust) when in contact with water. You can wipe the stains with a rag. The cloth and product should be dry before wiping. Premium 304 stainless steel: The waterfall spillway is made of finely polished stainless steel material with tightly integrated welds that are strong and rustproof. There is no chance of water leakage. It can serve you for a long time without daily maintenance. NOTE: The stainless steel product will produce yellow spots (not rust) when in contact with water. You can wipe the stains with a rag. The cloth and product should be dry before wiping. Friendly Reminder: Please refrain from installing the fountain in environments with seawater or saline water. If you have any inquiries or concerns, please don't hesitate to reach out to us. This pond fountain will add a decorative touch to your pond or swimming pool and let you enjoy the relaxing sounds of the water for a sense of calm and well-being. The waterfall is made of 304 stainless steel, top wide open which is specially designed to guarantee a constant and uniform water flow.