SF Standard Casting Fishing Rod Cover Rod Sock Rod Sleeve Rod Sleeve Rod Sock Rod Sleeve 1.SF fishing rod covers prevent rod tangles &amp; are EZ to use. The unique braided construction and wide expandability make for easy on and off installation.Use over large line guides on fully rigged rods. 2.SF rod covers are great in rod lockers, rod storage tubes, or the bed of your truck. 3.SF are made of a tough polyethylene filament that is virtually impervious to salt as well as resistant to mold and mildew. 4.SF fishing rod covers like the old "Chinese finger trap" gripping your rod for snug protection and ease of hanging for storage.