
Versatile Waterproof Polyester Backpack for Students and Professionals. Full Customization Available: Supports full customization including function, lining, pattern, and dimensions. Fast Sample Delivery: Delivers samples within 3-7 days due to strong in-house R&D capabilities. ISO & Sedex Audited: Factory is ISO and Sedex audited, ensuring high quality and compliance standards. Durable Waterproof Design: Made of nylon with Oxford nylon lining, featuring waterproof and multifunctional features. Large Capacity: Offers 30-35 liter capacity with adjustable shoulder straps and handle. Experienced Manufacturer: Over 20 years in bag industry with 7,000 sqm factory and 100+ skilled employees. Competitive OEM/ODM: Vertical integration from material sourcing to manufacturing offers competitive pricing.