25L Waterproof Backpack | Submersible w/ Airtight Zipper.

Conquer water. Protect your gear. The SandShark 25L Waterproof Backpack is built for real marine conditions and serious water exposure. Whether you're boating, jet skiing, hitting the beach, or traveling in unpredictable weather, this water proof backpack delivers IP67-rated protection. Constructed with a Hydrowall TPU waterproof shell, welded seams, and an airtight drysuit-grade zipper, this waterproof bag is fully submersible and designed to keep your gear completely dry — no soaked clothes, no ruined electronics.

With a 25-liter capacity, this versatile dry bag functions as a waterproof boat bag, swim backpack, and adventure travel pack. The waterproof main compartment includes a padded laptop sleeve, while the quick-access waterproof front pocket keeps essentials secure. Ergonomic S-curve neoprene padded straps, a removable chest strap, and a reinforced base provide comfort and durability on docks, decks, and sand. Lightweight at just 2.25 lbs, it’s built for every water adventure.IP67 waterproof backpack (fully submersible)

-Hydrowall TPU waterproof shell
-Airtight drysuit-grade zipper
-Welded seams construction
-25L capacity (19” x 13”)
-Padded laptop sleeve
-Waterproof front pocket
-4 attachment rings & 2 accessory holders
-Reinforced base
-Lightweight – 2.25 lbs