6,000mm Hydrostatic Head The KOBAZ Sling Dry Bag is made of lightweight and durable 70 Denier nylon fabric, and the inside is coated with PU to achieve a fabric with a waterproof coefficient of 6,000 mm or more. In addition, the fabric seams are fully seam taped with reinforced stitching to provide highly waterproofing. Hand Wash Only To ensure the waterproof effect, only wash by hands. Easy to Store When you enjoy on beaches and trails far from the beaten track, you can put your valuables in and go lightly, eliminating the worry that your valuables will get wet or dirty due to the inevitable rain and mud. Read more 10L Waterproof Dry Bag 20L Waterproof Dry Bag 35L Waterproof Dry Bag Unfolding Size 15.7 X 12 in 22.6 X 14.4 in 26.2 X 17.1 in Weight 3.7 oz 6 oz 6.8 oz Fabric Super Lightweight 70 Denier Nylon Super Lightweight 70 Denier Nylon Super Lightweight 70 Denier Nylon Shoulder Strap ✓ ✓ ✓ What's in the box? 10L Dry Bag *1 20L Dry Bag *1 & Smartphone Waterproof Bag(IPX8, Black) *1 35L Dry Bag *1 & Smartphone Waterproof Bag(IPX8, Black) *1