1. Material: The pool skimmer socks are made of high-quality nylon cloth, 30 bags per pack, enough for you to use for a long time. 2. Size: 22 x 13 cm/8.66 x 5.11 inches (LW), socks have good elasticity, easy to stretch, enough to cover the skimmer basket, suitable for swimming pools. 3. Extend the service life of the swimming pool filter system: swimming pool socks can protect the pump impeller and shaft seal from damage and blockage, thereby extending the service life of the swimming pool filter and filtration system. 4. Easy to use: It only takes a few seconds to install, just slide the socks through the basket, and you are ready to catch dirt from the water. 5. Very helpful for cleaning your swimming pool: Swimming pool skimmer socks can capture leaves, grass, hair, oil, pine needles, pollen, insects and other residues that block the swimming pool filter system.