Product Introduction:
Introducing our multi-layer backpack with a large capacity and convenient design. This backpack is perfect for those who need to carry a lot of items and want to keep them organized. With its waterproof material, you can travel safely even on rainy days. The honeycomb breathable design on the back allows for air circulation, making it refreshing and comfortable to wear. Additionally, the external USB charging interface makes it easy to charge your devices on the go.