Overboard 90 litre pro sports waterproof duffel bag black with removable padded backpack straps this black roll top waterproof duffel bag gives you full protection against water dirt and sand with easy access to all your gear via a wide mouth opening with a 90l capacity a large internal wetdry pocket external weatherproof front zip pocket and velcro mesh pocket this waterproof holdall is the perfect travel sailing or water sports bag constructed from tough pvc tarpaulin its total