All-in-One Waterproof 15.6" Laptop Backpack and Briefcase Handbag for Daily Use. Multi-Functional Design: Converts to shoulder bag, backpack, hand bag, and briefcase in 4 ways. High Waterproof Material: Made of high density 70D*200D Nylon with leather and polyester fibre lining. Anti-Theft Features: Equipped with anti-theft design and wear-resistant bottom for security. Custom Logo Service: Accepts custom logos via silkscreen, heat transfer, rubber patch, or metal. Custom Color Options: Available in Black, Grey, and Black/Grey with custom color production. Fast Sample Production: Sample order available with a 7-day turnaround time for quality check. OEM and ODM Support: Experienced designers available; AI artwork accepted for custom orders. Flexible MOQ: Accepts MOQ of 200pcs for custom logo or 5-199pcs with brand logo.