The Sea to Summit Lightweight Dry Bag is a classic, versatile dry storage and organizing option for backpacking, hiking, camping, sea kayaking, ski touring, cycling and travel. Manufactured from recycled 70D nylon with a non-PFC DWR finish (10,000mm waterhead—the higher the waterhead rating, the more waterproof the fabric). Its waterproof seams are double stitched and tape sealed and the secure Hypalon roll-top closure is non-wicking to keep contents dry. A D-ring at the closure and base lash loop provide easy attachment points, and are compatible with the Sea to Summit Dry Bag Sling Strap (sold separately). The Sea to Summit Lightweight Dry Sack’s oval base resists rolling, and its low-profile, streamlined shape saves space. A patent-pending field repair buckle can be replaced in seconds with a Phillips screwdriver. Dry bag is available in seven sizes: 1.5 liter, 3 liter, 5 liter, 8 liter, 13 liter, 20 liter, and 35 liter, to carry everything from small essentials to group gear.