100% recycled polyester 600D. Dynamic notebook bag, flap with 2-way zip, functional loop tape, side buckle closures, can be used to expand volume. Large main compartment with quick access, padded notebook compartment with pull tab. Two inside insert pockets, zipped front pocket, hidden zipped pocket on back. Padded back and bottom. Length-adjustable shoulder strap, attachable hip belt. Ideal for cycling. Dimensions: 40x32x12cm.