TPAID Vacuum Compression Backpack, Expandable, 50L Capacity, with Electric Pump, Travel Backpack, Large Capacity, Fits 17-inch Laptops, Waterproof,

[Vacuum compression for increased storage capacity and easy portability!] This bag is made of 40D+ TPU material and features a built-in vacuum compression bag. Easily remove air with the included vacuum pump, saving over 50% of space. It's dustproof, waterproof, and abrasion-resistant, making it ideal for travel and business trips. Standard size: approximately 50 x 32 x 16 cm. Expanded size: approximately 47 x 32 x 22 cm. Capacity: 50L! [Attention to detail in materials! High-density, durable, and waterproof] The entire bag is made of high-density, highly waterproof fabric, making it durable, dust-resistant, and resistant to dirt and grime. It's easy to clean and gentle to the touch, so you can rest assured it will last for years to come. We carefully select high-quality materials that combine both appearance and functionality. [50L Large Capacity Storage: Smart Space Design] In addition to the standard storage space, the expansion space and vacuum compression space combine to achieve storage capacity comparable to that of a 20-inch suitcase. The specially designed shoulder straps and weight distribution design make it comfortable to carry even when carrying a lot of luggage. [Perfect for a variety of occasions: Commuting, business trips, and travel] This backpack is perfect for a wide range of occasions, including commuting, business trips, travel, carry-on luggage, and outdoor activities. Its versatile design makes it suitable for any environment, making it both stylish and practical. [Reliable Support and Usage Precautions] Due to the vacuum structure, you may feel some resistance when opening and closing the zipper of the vacuum bag. This is to maintain a high level of airtightness. Please try using it several times. We will respond promptly to any questions or issues regarding the product, so you can use it with confidence. Note: This product does not come with batteries. Please prepare six AA batteries yourself when using.