[Great Helper for Catching Debris and Trash] These become a net that attracts and captures leaves, grass, hair, oil, pine needles, pollen, insects and other debris, which prevents them from clogging your filtration system. [ 25-Pack] Our 25-pack filter socks are made of polyester with ultra-fine mesh and elastic that can be reused many times. We offer you competitive prices without compromising on quality. [Protect your filtration system and extend its life] Our pool filter socks protect the pump impeller and shaft seal from debris clogging or damage. This extends the life of your pool filtration system and saves maintenance costs. [Easy to use, easier to clean] These polyester filter socks are easy to install. Easy-stretch fabric fits your pool filter basket perfectly. They also make cleaning the filter basket easier and neater. You can it with a garden hose and then reuse it or throw it away if it's heavily soiled. Just replace them with new socks every 4-8 weeks. [GENERAL USE, PLEASE NOTE] Our have good elasticity. They fit almost any shape of pool skimmer basket and are suitable for inground and above-ground pools, spas, hot tubs and more. Do not use chlorine tablets when dissolved in basket. It eats away at socks. Colour:White Material:Polyester Package Contents: 25 x pool skimmer 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.