Specification: Size: 13 x 22 Material: nylon Color: white Quantity: 5 packs Package included: 5 x Pool Skimmer Socks Features: 1.Made from durable elastic and ultra-fine nylon mesh, these pool skimmer sockspool act like a net to attract. 2.Skimmer socks can be used with most pool skimmer baskets. 3.Pool skimmer socks can trap leaves, grass, hair, oil, pine needles, pollen, insects and other debris which will block your filtration systempool. 4.Help free your hands from messy cleaning work, using a swimming pool sock, protect the pump impeller and shaft seal from damage/clogging, thus extending the life of yourfiltration system / swimming pool filtration. WARM NOTICE 1.Do not use by dissolving chlorine tablet in your basket, otherwise it will erode the socks. 2. You should replace or clean the socks every 4-6 weeks in case they become too dirty to slow down the water flow.