1. This large Oxford cloth backpack is specially designed for business trips and can easily hold items needed for 5 - 7 days. 2. It is equipped with hidden anti - theft pockets, waterproof materials, and an earphone jack with a fast - charging USB port, making it very suitable for outdoor activities and college students. 3. Product features: - 3.1 Selected splash - proof materials, internal storage slots, and luggage straps. - 3.2 There are hidden anti - theft pockets on the back of the backpack. - 3.3 It has a large capacity and can easily hold items needed for a 5 - 7 - day business trip. - 3.4 It is equipped with an earphone jack and a fast - charging USB port. - 3.5 This travel backpack is the best choice for traveling. The lightweight computer backpack is suitable for outdoor activities and is an ideal choice for college students of both genders. 4. Specifications: - 4.1 Material: Oxford cloth - 4.2 Colors: Black, gray, light gray, blue, red - 4.3 Dimensions: 50 x 35 x 19 cm - 4.4 Weight: 800 grams 5. The package includes: 1 laptop backpack