cxs-618 Multifunctional Oxford Laptop Bag Backpack (Black) DOBE 12 sound velocity for different

12 sound velocity for different material which also adjus-

Three-dimensional air guide groove back

Printing method: thermal/inkless printing

Automatic identification

Irradiation area: 15㎡-30㎡

cxs-618 Multifunctional Oxford Laptop Bag Backpack (Black) DOBE 12 sound velocity for different1. The use of tear resistant and water repellent fabric, wear resistant and durable 2. S shaped shoulder strap design, which effectively fits the back of the shoulders 3. The multi layer honeycomb mesh elastic foam back cushion is composed of multiple layers of different materials, which has the effect of breathable, decompression and shock resistance 4. The trolley strap design can be placed on the trolley case for convenient travel 5. Multi layer