The Premium Reinforced 20' x 25' Black Pond Netting has small 1/8" x 1/8" size mesh that stops even the smallest debris. Sewn Bindings and Grommets every 2 feet. Premium pond netting has a 1 1/2" reinforced edge. Made of Polypropylene. Keeps falling leaves out of ponds and pools, and protects goldfish and koi from cat and other predators. Stakes are not included.