Ortlieb's panniers offer the freedom to pack however you like, typically featuring one or two flat pockets against the back panel. The Commuter Insert adds versatile compartmentalization inside the bag, and as a bonus, it can be removed and carried around like a tote bag. This size S is designed for Ortlieb's narrower bags, such as the Sport-Roller, older Front-Roller, Gravel-Pack, etc. - Made from durable nylon - Padded laptop compartment: 30 x 24/25 x 3 cm - Carry handles - Multiple compartments