Product Details: Material: 250D Nylon Colour: Blue,  Red, Gray Dimensions: 49cm x 29.5cm x 14cm Volume: 20L Weight: 285g   Features: 100% Brand new and high quality Folding and portable in inner top pocket (24.5cm x 22cm） Breathable and adjustable strap Small side pockets for easy access to keys etc 1 large main compartment 1 helmet holder Waterproof Frameless