"Heavy Duty & Waterproof - Made of 0.7mm thick(more thicker than Ordinary) 500D PVC composite materials. Our waterproof dry bag features dual layer hot pressing technology to provide a superior seal to prevent water intrusion even the most abuse from wilderness. A perfect product for your outdoor sports: Fishing, Camping, Kayaking, Hiking, Beach, Boating. With roll-top closure, the durable waterproof bag has excellent performance of waterproof, dustproof, snowproof. Upgraded Newest Version - Unlike ordinary product, adjustable Shoulder Straps with two Upgraded buckles & Handle as a backpack or a single shoulder bag, very suitable for different occasions like beach, boating, rafting, kayaking, swimming, surfing fishing, etc. Start your adventure with our New-Version dry bag! Perfect for Multiple Purpose - Our dry bag comes in 6 colors and each color features 5 sizes (5L/10L/20L/30L/40L). Suitable for all ages people and different styles of outdoor sports. With fashion and simple design, our dry bag is a great choice as a gift for your families and friends in any festival. Lightweight & Compact - The key benefit of our lightweight dry bags is that you can carry it for long distances even with more weight and it can still be comfortable to wear. Splash-proof outer zip pocket safely stores small essentials. The outer-pocket make you can check the status of items anytime."