The Modular Cruise Dry Bag MB15 is an all-in-one” bag that is ideal for protecting items against water and humidity. Its characteristic roll-top” closing system makes it completely watertight, and a special internal pocket has been added to hold other delicate items that must be kept dry. A great tool for all outdoor activities! Great organized bag design with a zipper closure removable laptop and gadget sleeve, and removable mesh pocket. Bag is ideal for watersports and outdoor activities. The roll-top closure and five compression straps are fastened by squeeze-style” side release buckles. All closure straps are adjustable to lower bags profile when not fully packed. The adjustable, pre-shaped shoulder straps, padded backpack and adjustable chest and waist straps make transport a breeze. Bag is made from strong and durable 500D tarpaulin fabric that is SVHC-free material. Mares Cruise Dry Bag MBP15 Ideal for Watersports and Outdoor Activities Roll-Top Closure and Five Compression Straps Straps: Fastened by Squeeze-Style” Side Release Buckles All Closure Straps are Adjustable to Lower Bags Profile Construction: Durable 500D Tarpaulin Fabric Fabric is SVHC-Free Material Zipper Closure Removable Laptop and Gadget Sleeve Removable Mesh Pocket Great Organizational Bag Design Adjustable, Pre-Shaped Shoulder Straps Padded Backpack Adjustable Chest and Waist Straps Dimensions: (L x W x H) 16″ x 5″ x 25.5″ (40 cm x 12 cm x 65 cm) Volume: 915 cu. in. (15 liters) Weight (empty): 2.6 lbs. (1.2 kg)