Moondosa&reg; Casual Unisex Messenger Shoulder Bag Crossbody Bag High Density Canvas Material;Lining Fabric is soft cotton material,feels comfortable Bottle holder on both side,bartack design on the key joint Easy to carry A4 size books,just OK to fit 15 inches laptop Dimensions:14.8x11.8x4.3 inches ; Weight:550gram1.2lb Front and back pocket,two small compartment when you open the bag