3d Holographic Projection Advertising Machine Naked Eye No Screen Display Fan Special Protective Cover Outdoor Backpack Festival Advertising Display(45cm -Backpack)

1. Waterproof fabric, wear-resistant, tear-resistant, scratch-resistant, and reduces weight 2. Three-dimensional carrying system, three-dimensional ventilation design, more comfortable and breathable 3. Super strong decompression and shock-resistant design, the first layer of mesh ensures breathability, the second layer of sponge has a slow-release effect, and the third layer of foam has a decompression and shock-resistant effect 4. The glass cover is seamlessly connected to the backpack, making it safer to display 5. Large backpack design can hold more daily necessities