NO MORE EXPENSIVE REPAIRS: This filter saver socks to help in your pool maintenance. They can catch oil, hair, bugs, grass, pollen, leaves, pine needles, and any other small debris. A simple but effective way to protect your pool filter. EASY TO INSTALL: Our are very elastic to fit most types of pool pumps, filter baskets, pool baskets, or strainer baskets. All you need to do is stretch them across your skimmer basket, place the basket back, and replace the pool socks regularly. & REUSABLE: Made of a thick, ultra-fine nylon fabric, the pool filter socks are high quality, elastic, , and can be rinsed and reused as you need. Cost-effective and easy to use. It is suggested that replace the every 4 to 8 weeks. ACCESSORIES: Enjoy finer filtration and a cleaner pool with the skimmer socks. The pool socks collect all the debris before they can clog up can clog up your filter, so your filtration system last longer! for in-ground and above ground pools. Colour: White Material: cloth Size: about 20.5 x 11.5cm Package Contents: 40 x Note: excluding display filter-mesh Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.