Use for both trailering and mooring. Lies flat over the deck for trailering and can be drawn up for water runoff while mooring. Has 5/16 in shock cord in the hem to hold 6 in below deck level on the hull. Tie-down points, heavy-duty nylon zipper, mast collar with draw cord and flaps that snap around the shrouds. Reinforced at back corners, fairlead and cleat areas. Made of polyester duck. Gray Made by Sailor's Tailor.