Description: Durable elasticity and -Pool skimmer sock made of fine stretch micro nylon mesh, attract and trap leaves, grass, hair, scum, oil, pine needles, pollen, bugs, swimming pool filtration , etc. prevents them from clogging. Protection.Pool filter protect the pump impeller and shaft seal / will block, extend lifespan. Easy to stretch. Pool baskets socks can fit your basket perfectly, you can install and replace it in a short time. Efficient. will clean the pool shallow mouth shoe basket more convenient, reduce mess. Pool Accessory. Pool saver replace new socks every 4 8 weeks. Do not use to dissolve A chlorine tablet, shopping basket (socks will weaken) Size Chart: Singlle size: Approx.13.5x20.5cm/5.31x8.07inch Package Includes: 10/20/30 Pieces Swimming Pool Filter Skimmer Socks(Optional)(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!