A. 50 Pool Filter Socks: This is a value pack that contains 50 pool skimmer filter socks. The filter socks are made of durable ultra - fine mesh material and can fit most pool skimmer baskets. B. Keep Your Pool Cleaner: The filter socks are designed to be placed on top of the pool skimmer baskets. Acting like an ultra - fine filter, they can capture small debris, allowing you to enjoy a better swimming experience with less floating debris. C. Protect Your Pool Filtration System: The filter socks can capture and remove small floating debris such as leaves, grass clippings, oil, hair, and pollen. This helps prevent these debris from reaching and clogging your pump and filter, thus reducing the maintenance requirements of the filtration system. D. Durable and Reusable: When the filter socks get dirty, they can be washed and reused multiple times before replacement. Note that chlorine tablets should not be dissolved in the filter socks or baskets as they may corrode the filter socks. E. Color: White F. Material: Nylon G. Package Contents: - 50 filter socks The package mainly includes the above contents. H. Precautions: Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual product. The size error may be around +/- 1 - 3 cm.