Bike briefcase with variable flap closure; QL2-system ; rotatable fixing rail allows use on left (standard) or right side of bike rack;QL3 system takes it to the next level. Padded, removable shoulder strap; carry handle; 4 pocket organizer (2 zippered pockets, 2 internal pockets); pen holder; snap hook for keys; suitable for legal length documents and 15.4″ laptops; base feet, edge protectors. Optional accessories: notebook sleeve, anti-theft device.