Pool sock kit: Kit includes 20 pool skimmer socks, ultra-fine mesh liner, reusable nylon pool filter socks and ultra-elastic pool skimmer for baskets skimmer. The size is 12 x 21 cm. High quality materials: Our swimming pool skimmer filter is made of ultra-fine and elastic nylon net, which is environmentally friendly and durable, with strong toughness, with lasting elasticity, dry after washing and can be used many times without deformation. Easy to use: Our pool skimmer socks are super elastic and fit most pool pumps, filter baskets, swimming pool baskets or filter baskets. Simply slide the socks into the basket to catch the dirt from the water. Reusable: Pool skimmer socks can be rinsed and reused as needed. It is recommended to change the pool socks every 4-8 weeks. Ideal pool accessories: fine mesh pool skimmer socks, which can collect all debris such as plant leaves, beautiful trees, pollen, etc Therefore, the pool filter has higher working efficiency and makes your filtration system last longer! It can be widely used in various pool filters, baskets or skimmers, so you don't have to worry about not finding a suitable model.