- 100% Waterproof & Sandproof: The MIER dry duffle backpack is constructed from abrasion-resistant, water-repellent tarpaulin material, featuring fully welded seams to ensure your gear remains dry and protected. The top roll design with hook and loop closure allows for easy use—simply fold the roll-down top at least three times, secure it with side clips, and adjust for a snug fit. - Multifunctional Pockets: Equipped with a water-resistant zipper front pocket for quick access to smaller items (note: splash-proof only), an internal zipper pocket for valuables, and two inner mesh pockets for organized storage. The spacious main compartment is large enough to accommodate everything you need for your adventures. - Large Capacity Yet Lightweight: With dimensions of 24.75L x 13.75W x 13H inches and a capacity of 60L, this backpack weighs only 3.3 lbs. Its large opening, secured with hook and loop fasteners, provides quick storage while keeping your belongings safe and dry. Available in multiple colors to suit your personal style. - Convertible Dry Bags with Versatile Carrying Options: Features adjustable, detachable backpack straps and sternum straps for a customized fit. Additional adjustable/removable shoulder strap and four soft haul handles offer various carrying methods, whether you prefer cross-body, shoulder, or hand-held use. Use Scenarios: - Perfect for outdoor activities like hiking, kayaking, or beach trips where exposure to water and sand is a concern. - Ideal for travel, providing ample storage for clothing and gear while ensuring everything remains dry during transit. - Great for gym enthusiasts who need a reliable bag to transport wet or sweaty clothes without compromising other items.