LeatherLeather is classics depilate wait for physics, chemistry to process and make and become.It is resistant to corruption and is soft and pliable in dry weather.Leather is qualitative the double shoulder bag that makes is on the shape more straight outline, design is more concise, color also is given priority to with sedate brunet department more, can be used at tie-in suit to wait for formal attire, retained sedate temperament to also add fashionable touch already, mature age men are worth to get hold of.Canvas CanvasCanvas is a thick cotton fabric, named after the vikings who used it for sails in the 8th century.The texture of canvas is firm, wear-resisting, close and thick, and have certain waterproof.The shoulder bag made of canvas fabric is rarely limited in style, printing and color. Therefore, the style of the shoulder bag is fashionable and full of vitality, which can easily match the most popular trendy style in the street.Nylon Nylon is the world's first synthetic fiber, it has good wear resistance and dust resistance, world war ii was widely used in the field from stockings, clothing to carpets, ropes, fishing nets.Because of its durability and ease of handling, nylon is often used to make backpacks for outdoor sports.Now, the appearance of nylon backpacks also gradually fashion up.