• Product: Casual waterproof backpack.
• Outer Material: Waterproof Oxford Cloth
• Inner material: polyester
• Size: 29 cm * 12 cm * 41 cm
• Weight: 0.56kg
• Capacity: laptop, everyday items
• Uses: business, tourism, leisure.
• Function: USB charging interface

Note:1. Due to the size in the manual, please allow 1-2cm deviation.2.Dear customer, thank you for purchasing our products, we believe you will like our products. We offer "top customers are new customers who like to use them!3.For us, if you are satisfied with our products and services, we sincerely invite you to leave positive feedback (5 stars). It only takes 1 minute, but this is very important to us. The best performance from product to service! Thank youTips：The shoulder bag is better than the shoulder bag. The shoulder bag has only a single shoulder strap to withstand the pressure. If it is heavy, the pressure is much greater than the shoulder bag. In many occasions, it is not even necessary to use the shoulder bag, such as when hiking. Using a backpack can give full play to the functions of both hands