30 Litre Dry bags for your kit These bags are ultrasonic welded extra heavy duty reinforced poly-vinyl with quick release waterproof closure. Ideal for rinsing off your wetsuit, shoes etc. when you get home. Just open up the bag with your wetsuit & shoes in it and fill it up with freshwater, after a while, empty the water out and hang up your wetsuit, shoes etc. to dry. No more wet cars or smelly neoprene.