DeWitt bird and pond netting is a durable, UV-treated polypropylene with 3/4 in hole openings that allows in sunlight, moisture and ventilation. It is a safe, humane pest protection for fruit and vegetables or can be used to protect fish and water life from predators, also safely deters children and pets from the protected area. Netting helps keep leaves and harmful debris out of pond water to stay cleaner and healthier for optimum life which extends the life of the pond.