Mesh winter cover for above ground pool. Finely woven black polyethylene mesh allows water to pass through while trapping leaves, twigs and other debris. Lightweight yet strong, these covers can be used year-round in more moderate climates for day-to-day maintenance or can serve as a trap to help protect your winter cover. 8 year limited warranty, 1 year full. - Triple laminated heat sealed seams for added strength and durability - Woven polyethylene core with heavy duty ultraviolet (UV) inhibitors - Two non-rusting one inch (1") aluminum grommets every three feet - Cover edges have a sewn-in polypropylene cord for added reinforcement - Vinyl coated steel lock-down cable - Includes non-rusting deluxe aluminum cable winch