The De Varo Backpack is a spacious backpack made of 100% waterproof nylon, ideal for the avid cyclist. The convenient roll-top closure keeps the bag dry, even during rain showers. The bag has a removable neoprene sleeve that can hold a 15-inch laptop. There's also a small zippered pocket on the sleeve and a hook for attaching keys. The bag easily attaches to your bike's luggage carrier using the Racktime hooks. These hooks are suitable for rack tubes with a diameter of 10 to 16 mm and are adjustable for a perfect fit. The bag can also be secured to the side of the luggage carrier with Velcro. For added safety in the dark, the bag is equipped with reflective elements, and lights can be attached to the front or side. The shoulder straps are adjustable and have a chest strap for added comfort. They are also removable to prevent them from getting caught in the spokes. Features: - Waterproof backpack made of 420D Nylon - With roll closure - With sliding hooks - Detachable shoulder straps - Extra inner compartment with 15 laptop compartment - 2 extra side pockets - Reflection on 2 sides Product Specifications: - Material: Waterproof Nylon - Capacity: 22 liters - Colors: Gray - Weight: 1.33 kg - Dimensions: 29 x 50 x 15 cm - Attachment: Racktime rail system