These super strong winter covers are built to last! The Blue Wave Bronze grade cover has the strength and durability of covers costing twice as much. Rugged polyethylene scrim and coating means this cover can withstand winter’s worst. Blue Wave covers are U. Protected so they will last for years in direct sunlight. The cover’s black underside retards algae growth and heat sealed seams means a crystal clear pool next spring. The big 4 foot overlap ensures a proper fit for above ground pools unlike covers with 3 foot overlaps. The Bronze cover is held secure on your pool with a heavy-duty, vinyl-coated cable and tightener that is anchored by rip proof metal grommets spaced 30 inches apart. This Blue Wave cover comes in a dark navy blue with a black underside. Pool Size: 24-ft Round. Cover Size: 28-ft Round. Protects against the elements. 4-ft overlap to fit most top rails. Includes: heavy duty cable and winch tightener.