The OverBoard 30 Litre Window Dry Tube is a fantastically simple yet effective solution for not only keeping your possessions dry sand and dirt free while you are enjoying a day out on the water but also being able to find them quickly and easily thanks to the reinforced mesh window that is on the back The OverBoard Dry Tube features the incredibly reliable Fold Seal System 8482 in order to protect the contents of your dry tube by creating a dependable and easy to use closure system - simply roll the neck tightly over plastic fasteners 3-4 times expelling air by squeezing tube and then attach the buckles to seal the bag and create a useful carry handle There are no zips to jam or break Designed to withstand rough usage by being made from heavy duty materials reinforced mesh windows and high frequency welded seams so you can take this incredibly well made and dependable Overboard Dry Tube with you on your next adventure