The Seals Kayak Cockpit Drape Universal Cockpit Cover is designed to fit hard to fit cockpits, especially sit-insides that don't have a pronounced rim. The Cockpit Drape is also useful for protecting the seat on Sit-on-Top kayaks.Seals Kayak Cockpit Cover is constructed with medium-weight coated nylon pack cloth to keep the critters out of your kayak during storage. The cover uses bungee style cord to secure it to the cockpit. This cover is not watertight and will allow seepage if water pools on it. For a tighter, watertight fit and for a cover that can be used during transportation, check out the Seals Cockpit Seal.