Protective Filter System: The pool skimmer baskets attract and catch insects, leaves, hair, scum, live debris, pine needles and other debris, preventing them from clogging the pool filtration system while allowing you to quickly remove debris Durable Material: The socks are made of durable and ultra-fine elastic nylon mesh, reusable and easy to clean. Washed and reused as needed, with good elasticity to stretch easily and enough to cover the skimmer basket Easy to Install: The pool filter socks fit perfectly on all shapes of skimmer baskets with the stretchy fabric. Install in seconds. Easy to remove from your skimmer basket. We suggest you replace the new smooth socks every 4 weeks Wide Usage: The skimmer basket socks make cleaning pool baskets easier and less messy. They can extend the life of the pool filter. Also can be used in in-ground and above-ground pools, such as spa, hot tub, black marble bathroom, etc. Package Content: You will receive 30 pieces pool skimmer socks and