1.Made of durable elastic and ultra-fine nylon mesh. 2.Socks can capture debris that cannot be captured by the filter, thereby reducing and increasing the life of the filter as well. 3.These pool skimmer socks act as a net to attract and trap leaves, grass, hair, scum, oil, pine needles, pollen, insects and other debris. 4.Easy to clean: When the socks are dirty, they can be washed and reused multiple times, or replaced directly. Specification: Material: Nylon Color: White Size: 10*20cm Package Content: 30*Pool Skimmer Socks