designer-new 100-set backpack for men and women with earphone jacks and shoulder leather bags

number: 2010a; luggage size: small; capacity; less than 20l; internal structure of the package; identification bag, mobile phone bag, zipper bag; open cover mode; zipper; applicability gender; neutral/male can; material; dermis; leather characteristics: first-layer cowhide; rain shield; no; function; wear resistance; hardness; medium to soft; pattern: pure color; style: college wind; lining texture: polyester cotton; shoulder strap root number: double; popular elements; vehicle suture