Large capacity backpack with headphone hole

Large capacity backpack with headphone hole Specification Size 37(L)*15.5(W)*50(H)cm or customized Material Polyester ,accept customized material Colors Black , upon request Structure Main compartment *1, front cmpartments *3,laptop interlayer*1,inside pockets Capacity Laptop, clothing , umbrella, mobile phone,IPAD etc Logo Customized( heat transfer printing / puffy printing/ silk printing / glitter printing / PVC patch / embroidery / metal LOGO Service OEM and ODM are