Double protection function Specially designed for pond plants and fish, the fine mesh prevents frass from fish and birds on roots and eggs, while allowing water, light and nutrients to pass through to protect the aquatic ecosystem. material Made from black polyester fabric, UV resistant and acid/alkali resistant, tear resistant and durable for longterm outdoor use in the pond. Reliable in all seasons. Flexible design with adjustable bar Adapts to changing water levels with an adjustable bar to fit the cover. Available in 45 cm, 60 cm and 80 cm diameters, ideal for ponds or floating islands of different sizes. Easy to install and store Lightweight construction (only 62 g for the 45 cm model), packed in an OPP bag. No tools required, and it stores compactly when not in use. 23 practical use scenarios Use on pond plant beds in decorative ponds with fish and birds to protect roots and eggs from disturbance, while still letting water, light and nutrients through. Cover floating islands or pond shelves to prevent debris and wildlife interference without blocking sunlight needed for plant growth. Employ yearround in outdoor ponds due to its durable material and lightweight handling, making seasonal installation and removal quick and easy. Sizes and compatibility Fits ponds and floating installations requiring 45 cm, 60 cm or 80 cm diameter covers. Provides a balance of protection and permeability to maintain a healthy aquatic environment.