Watershed"s Ultimate Ditch Bag (UDB) is for the blue-water mariner who wants the best ditch bag on the market. The UDB comes standard with an YKK 8TZ-PU Dry Suit/Survival Suit Zipper that is Airtight and Waterproof. The UDB is constructed from 420-Denier Nylon Layered with Polyurethane and has Fused Overlapped Radio Frequency (RF) Welded Seams for Watertight Integrity with a Depth Rating of 300" (90 meters). If you need to put it in the water the bag is equipped with an Oral Inflate Valve for Positive Buoyancy. Bag has Reflective Tape, and an Interior Pocket to keep smaller items accessible. The UDB also includes Adjustable and Removable Padded Backpack Straps with an Adjustable Sternum Strap for Stability when Transporting on your back, so it can double as a Shore Bag. The UDB also comes equipped with End and Top Grab Handles so it can also be carried as a Duffel Bag. This Bag measures (H x L x W) 14" 31" x 14" (35.6 x 78.7 x 35.6 cm) with a volume of 5,800 cubic inches (96 liters) and weighs 3 lbs 4 oz (1.47 kg) when empty. The UDB has a 24" (61 cm) Top Load Opening for easy access to the bags content. Bag is available in 5 color choices of Black, Blue, Red, Yellow or Alpha Green and is covered by a limited lifetime warranty. The Sailor"s Ditch Bag from Watershed is more than a typical dry bag.