1. Non-Woven Fabric Mesh Design: These are made of durable elastic superfine non-woven fabric mesh, which can be used as a net cover to attract and capture leaves, grass, hair, foam, oil, pine needles, pollen, insects and other residues and prevent them from clogging the swimming pool filter system.2. Practical in Use: The pool socks protect the pump impeller and shaft seal from damage/clogging, thereby extending the life of the pool filter/filter system.3. Perfect for Cleaning: The make cleaning of the pool skimmer easier without causing confusion.4. Proper Size: Our pool skimmer basket socks fit almost any shape of pool skimmer basket.5. Small Tip: If the socks are dirty, please use a garden hose to clean it and reuse it, or you can discard it and use a new one. Replace the every 4-8 weeks.colour: whiteMaterial: non-woven fabricSize: 20.5x13.5x0.2cmPackage Contents:30 x filter netOnly the above package content, other products are not included.Note: Light 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.