A solar cover reel protective jacket allows you to store your solar cover and roller system outside over the winter without exposing it to the elements! Just zip up the roller jacket and move your reel system away from the pool edge until the spring. Winter protective jackets are made from rugged, waterproof material and include a full length zipper and drawstrings to secure them into place. Each jacket is made from durable woven polyethylene and sure to add years of life to your solar blanket!