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 pool skimmer filter is made of ultra-thin and elastic nylon mesh, which is environmentally friendly and durable, of strong toughness, long-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 to most pool pumps, filter baskets, 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 pool socks every 4-8 weeks. Ideal pool accessories: Fine mesh pool skimmer socks, which can collect any debris such as plant leaves, the beautiful trees, the 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.