"Osprey OSX 4 Litre Dry Bag (Assorted Colours) If you plan on backpacking in unpredictable weather, surfing, boating or camping dry bags are perfect for keeping your gear dry or keeping your wet gear contained as they are waterproof, lightweight and durable.All seams are glued and the interior walls are coated in rubber to ensure no leaks. The roll top waterproof closure ensures No Leaks!Features:- Glued Seams:Glued seams to ensure a leak proof seal.- Water Proof: Rubber coated interior to form a protective waterproof barrier.- Tough: Hard plastic security clip to help seal thesack tightly.- Capacity: 4 litre capacity sack is perfect for allessentials.- Approximate Size: 44 x 24 x 24cm."