Best companion in your daily life! Whether you're rafting down the lower Salmon or floating through the Grand Canyon, 10L/20L/30L dry bag is made of 500D PVC fabric with good performance on water resistance and durability, so this waterproof floating dry bag is suitable for outdoorsy people. It’s durable and fits where traditional bags won't go. Read more Removable & Adjustable Shoulder Strap 10L: Single shoulder strap 20L: Double shoulder Strap 30L: Double shoulder strap Please notice Dry Bags will float safety if dropped into the water. But Please be aware that it should not be fully submerged underwater. Thanks! Perfect Accessory for Kayaking Boating and Other Water Activities! Effective in sealing out water and protecting your essentials on your swimming, diving, drifting, and surfing! Sturdy & Durable Durable buckle handle and reinforced vinyl at stress points, Our dry bag is designed for years usage, tear, rip and puncture proof. Read more