Material: The pool skimmer socks are made of good quality nylon fabric and have good elasticity to stretch easily and enough to cover the skimmer basket, suitable for use in swimming pools. Extend the life of your swimming pool filtration system: swimming pool socks protect the pump impeller and shaft sealing ring from damage and clogging and thus extend the life of your filter and systemswimming pool filtration. Universal Fit: Skimmer Socks can be used with most pool skimmer baskets.EASY TO USE: Set up in seconds, simply slide the sock over the basket and it's ready to collect debris from the water. Please do not use the product while you are dissolving a chlorine tablet in your cart.Otherwise, the SOC will be eroded.And you should replace the socks every 4-6 weeks Pool Filter Socks,Pool Skimmer Socks,Pool Filter Basket,Pool Skimmer Socks,Pool Skimmer Basket (10)